{"title":"Marine Aquarium Water Testing","description":"\u003cp\u003eKeep your reef aquarium healthy and thriving with our range of marine aquarium water testing kits and equipment. Maintaining stable water parameters is essential for healthy fish, vibrant corals and long-term success in saltwater aquariums. Regular testing allows you to monitor important parameters such as alkalinity (KH), calcium, magnesium, nitrate, phosphate, pH and salinity.\u003c\/p\u003e","products":[{"product_id":"api-nitrate-test-fresh-salt","title":"API Nitrate Test - Fresh\/Salt","description":"\u003cp data-start=\"72\" data-end=\"109\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003etay ahead of algae and maintain healthy water with \u003cstrong data-start=\"52\" data-end=\"87\"\u003eAPI Fresh\/Salt Nitrate Test Kit\u003c\/strong\u003e—reliable, easy-to-use, ideal for both freshwater and marine tanks:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"111\" data-end=\"278\"\u003e\n\u003cli data-start=\"111\" data-end=\"152\"\u003e\n\u003cp data-start=\"113\" data-end=\"152\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eAccurately measures nitrate levels from \u003cstrong data-start=\"40\" data-end=\"53\"\u003e0–160 ppm\u003c\/strong\u003e using a liquid reagent system\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"153\" data-end=\"194\"\u003e\n\u003cp data-start=\"155\" data-end=\"194\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eIncludes \u003cstrong data-start=\"9\" data-end=\"21\"\u003e90 tests\u003c\/strong\u003e, a glass test tube, and a color chart for precise readings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"195\" data-end=\"236\"\u003e\n\u003cp data-start=\"197\" data-end=\"236\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eDetects early nitrate buildup—important for fish and invertebrate health\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"237\" data-end=\"278\"\u003e\n\u003cp data-start=\"239\" data-end=\"278\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eClear instructions guide corrective actions to protect your aquatic ecosystem\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"280\" data-end=\"317\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eDesigned for consistent weekly monitoring, this kit helps fishkeepers manage nitrate and maintain balanced water conditions.\u003c\/span\u003e\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":41905223893069,"sku":null,"price":38.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/KR17.png?v=1751687609"},{"product_id":"api-phosphate-test-fresh-salt-1","title":"API Phosphate Test - Fresh\/Salt","description":"\u003cp data-start=\"151\" data-end=\"288\"\u003ePrevent algae outbreaks and protect your aquatic ecosystem with the \u003cstrong data-start=\"219\" data-end=\"256\"\u003eAPI Fresh\/Salt Phosphate Test Kit\u003c\/strong\u003e. This reliable liquid test kit:\u003c\/p\u003e\n\u003cul data-start=\"290\" data-end=\"622\"\u003e\n\u003cli data-start=\"290\" data-end=\"344\"\u003e\n\u003cp data-start=\"292\" data-end=\"344\"\u003eAccurately measures phosphate levels from 0–10 ppm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"345\" data-end=\"398\"\u003e\n\u003cp data-start=\"347\" data-end=\"398\"\u003eSuitable for both freshwater and marine aquariums\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"399\" data-end=\"477\"\u003e\n\u003cp data-start=\"401\" data-end=\"477\"\u003eIncludes two liquid reagents, a test tube, and an easy-to-read color chart\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"478\" data-end=\"544\"\u003e\n\u003cp data-start=\"480\" data-end=\"544\"\u003eProvides up to 150 tests—ideal for weekly water quality checks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"545\" data-end=\"622\"\u003e\n\u003cp data-start=\"547\" data-end=\"622\"\u003eHelps detect phosphate buildup from fish waste, uneaten food, and tap water\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"624\" data-end=\"722\"\u003eA must-have for coral tanks, planted aquariums, and anyone battling green water or nuisance algae.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":41905224253517,"sku":null,"price":38.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/KR11_d35de8b8-5d8e-48f6-9e4d-b3935e081ced.png?v=1751687867"},{"product_id":"api-saltwater-master-test-kit","title":"API Saltwater Master Test Kit","description":"\u003cp data-start=\"117\" data-end=\"460\"\u003eThe \u003cstrong data-start=\"121\" data-end=\"188\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAPI\u003c\/span\u003e\u003c\/span\u003e Saltwater Master Test Kit\u003c\/strong\u003e is an essential tool for maintaining a stable, healthy marine aquarium. Designed specifically for saltwater systems, this comprehensive kit allows you to accurately monitor the four most critical water parameters that directly impact fish health and biological stability.\u003c\/p\u003e\n\u003cp data-start=\"462\" data-end=\"596\"\u003eIf you’re running a marine tank, regular testing isn’t optional — it’s the difference between thriving livestock and avoidable losses.\u003c\/p\u003e\n\u003ch3 data-start=\"598\" data-end=\"637\"\u003eTests 4 Critical Marine Parameters:\u003c\/h3\u003e\n\u003cp data-start=\"639\" data-end=\"862\"\u003e✔ \u003cstrong data-start=\"641\" data-end=\"658\"\u003eHigh Range pH\u003c\/strong\u003e – Monitor marine pH stability\u003cbr data-start=\"688\" data-end=\"691\"\u003e✔ \u003cstrong data-start=\"693\" data-end=\"715\"\u003eAmmonia (NH₃\/NH₄⁺)\u003c\/strong\u003e – Detect toxic waste early\u003cbr data-start=\"742\" data-end=\"745\"\u003e✔ \u003cstrong data-start=\"747\" data-end=\"765\"\u003eNitrite (NO₂⁻)\u003c\/strong\u003e – Track biological filtration progress\u003cbr data-start=\"804\" data-end=\"807\"\u003e✔ \u003cstrong data-start=\"809\" data-end=\"827\"\u003eNitrate (NO₃⁻)\u003c\/strong\u003e – Manage long-term water quality\u003c\/p\u003e\n\u003ch3 data-start=\"864\" data-end=\"913\"\u003eWhy Choose the API Saltwater Master Test Kit?\u003c\/h3\u003e\n\u003cp data-start=\"915\" data-end=\"1318\"\u003e✔ \u003cstrong data-start=\"917\" data-end=\"954\"\u003eExtremely Accurate Liquid Testing\u003c\/strong\u003e – Far more precise than basic test strips\u003cbr data-start=\"996\" data-end=\"999\"\u003e✔ \u003cstrong data-start=\"1001\" data-end=\"1027\"\u003eOver 550 Tests Per Kit\u003c\/strong\u003e – Exceptional long-term value\u003cbr data-start=\"1057\" data-end=\"1060\"\u003e✔ \u003cstrong data-start=\"1062\" data-end=\"1101\"\u003eComplete Testing Equipment Included\u003c\/strong\u003e – Test tubes, reagents \u0026amp; colour charts\u003cbr data-start=\"1140\" data-end=\"1143\"\u003e✔ \u003cstrong data-start=\"1145\" data-end=\"1181\"\u003eStep-by-Step Instruction Booklet\u003c\/strong\u003e – Clear, easy-to-follow guidance\u003cbr data-start=\"1214\" data-end=\"1217\"\u003e✔ \u003cstrong data-start=\"1219\" data-end=\"1262\"\u003eIdeal for Cycling \u0026amp; Ongoing Maintenance\u003c\/strong\u003e – Essential for both new and established marine tanks\u003c\/p\u003e\n\u003cp data-start=\"1320\" data-end=\"1471\"\u003eLiquid reagent testing gives you reliable, repeatable results so you can make confident decisions about water changes, filtration, and supplementation.\u003c\/p\u003e\n\u003cp data-start=\"1473\" data-end=\"1670\"\u003eWhether you’re cycling a new marine system or maintaining a mature reef setup, the \u003cstrong data-start=\"1556\" data-end=\"1589\"\u003eAPI Saltwater Master Test Kit\u003c\/strong\u003e is one of the most trusted and cost-effective water testing solutions available.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":42481913659469,"sku":null,"price":99.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/KR19.png?v=1764800313"},{"product_id":"api-reef-master-test-kit","title":"API Reef Master Test Kit","description":"\u003cp data-start=\"110\" data-end=\"350\"\u003eThe \u003cstrong data-start=\"114\" data-end=\"176\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAPI\u003c\/span\u003e\u003c\/span\u003e Reef Master Test Kit\u003c\/strong\u003e is purpose-built for reef aquariums, giving you accurate control over the key parameters that directly impact coral growth, skeletal development, and overall reef stability.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"566\"\u003eUnlike standard marine test kits, this reef-specific kit focuses on the critical elements that hard corals and reef systems rely on daily. If you're keeping corals, stable chemistry isn’t optional — it's essential.\u003c\/p\u003e\n\u003ch3 data-start=\"568\" data-end=\"600\"\u003eTests 4 Key Reef Parameters:\u003c\/h3\u003e\n\u003cp data-start=\"602\" data-end=\"895\"\u003e✔ \u003cstrong data-start=\"604\" data-end=\"620\"\u003eCalcium (Ca)\u003c\/strong\u003e – Essential for coral skeletal growth\u003cbr data-start=\"658\" data-end=\"661\"\u003e✔ \u003cstrong data-start=\"663\" data-end=\"701\"\u003eCarbonate Hardness (KH\/Alkalinity)\u003c\/strong\u003e – Maintains pH stability and coral health\u003cbr data-start=\"743\" data-end=\"746\"\u003e✔ \u003cstrong data-start=\"748\" data-end=\"767\"\u003ePhosphate (PO₄)\u003c\/strong\u003e – Prevent nuisance algae and protect coral vitality\u003cbr data-start=\"819\" data-end=\"822\"\u003e✔ \u003cstrong data-start=\"824\" data-end=\"841\"\u003eNitrate (NO₃)\u003c\/strong\u003e – Manage nutrient levels for a balanced reef system\u003c\/p\u003e\n\u003ch3 data-start=\"897\" data-end=\"941\"\u003eWhy Choose the API Reef Master Test Kit?\u003c\/h3\u003e\n\u003cp data-start=\"943\" data-end=\"1361\"\u003e✔ \u003cstrong data-start=\"945\" data-end=\"982\"\u003eExtremely Accurate Liquid Testing\u003c\/strong\u003e – Reliable and precise results\u003cbr data-start=\"1013\" data-end=\"1016\"\u003e✔ \u003cstrong data-start=\"1018\" data-end=\"1044\"\u003eOver 500 Tests Per Kit\u003c\/strong\u003e – Excellent long-term value for reef keepers\u003cbr data-start=\"1089\" data-end=\"1092\"\u003e✔ \u003cstrong data-start=\"1094\" data-end=\"1135\"\u003eIncludes All Testing Equipment Needed\u003c\/strong\u003e – Test tubes, reagents \u0026amp; colour charts\u003cbr data-start=\"1174\" data-end=\"1177\"\u003e✔ \u003cstrong data-start=\"1179\" data-end=\"1224\"\u003eStep-by-Step Instruction Booklet Included\u003c\/strong\u003e – Clear guidance for accurate readings\u003cbr data-start=\"1263\" data-end=\"1266\"\u003e✔ \u003cstrong data-start=\"1268\" data-end=\"1316\"\u003eIdeal for Reef Tank Stability \u0026amp; Coral Health\u003c\/strong\u003e – Monitor the parameters that truly matter\u003c\/p\u003e\n\u003cp data-start=\"1363\" data-end=\"1501\"\u003eLiquid testing provides repeatable, dependable results so you can confidently adjust dosing, water changes, and supplementation schedules.\u003c\/p\u003e\n\u003cp data-start=\"1503\" data-end=\"1679\"\u003eWhether you’re maintaining a soft coral system or a demanding SPS reef, the \u003cstrong data-start=\"1579\" data-end=\"1607\"\u003eAPI Reef Master Test Kit\u003c\/strong\u003e is a trusted and cost-effective solution for monitoring reef chemistry.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":42481915035725,"sku":null,"price":119.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/KR18.png?v=1764800462"},{"product_id":"seachem-multitest-nitrite-and-nitrate","title":"Seachem Multitest – Nitrite and Nitrate","description":"\u003ch2 data-start=\"169\" data-end=\"219\"\u003eSeachem MultiTest™ – Nitrite \u0026amp; Nitrate Test Kit\u003c\/h2\u003e\n\u003cp data-start=\"221\" data-end=\"397\"\u003eNitrite and nitrate are two parameters you \u003cem data-start=\"264\" data-end=\"272\"\u003ereally\u003c\/em\u003e want under control if you care about fish health — and this kit tells you exactly where your tank stands, without guesswork.\u003c\/p\u003e\n\u003cp data-start=\"399\" data-end=\"635\"\u003e\u003cstrong data-start=\"399\" data-end=\"419\"\u003eNitrite is toxic\u003c\/strong\u003e and in any well-established aquarium it should be completely \u003cstrong data-start=\"481\" data-end=\"497\"\u003eundetectable\u003c\/strong\u003e. During the cycling phase, though, it can spike hard — sometimes exceeding \u003cstrong data-start=\"573\" data-end=\"584\"\u003e20 mg\/L\u003c\/strong\u003e. That’s where this test kit really earns its keep.\u003c\/p\u003e\n\u003cp data-start=\"637\" data-end=\"868\"\u003e\u003cstrong data-start=\"637\" data-end=\"648\"\u003eNitrate\u003c\/strong\u003e, on the other hand, is relatively non-toxic, but letting it creep up over time is one of the biggest reasons fish slowly decline. Keeping it \u003cstrong data-start=\"790\" data-end=\"807\"\u003eunder 20 mg\/L\u003c\/strong\u003e is ideal for long-term health, colour, and breeding success.\u003c\/p\u003e\n\u003cp data-start=\"870\" data-end=\"1037\"\u003eThe \u003cstrong data-start=\"874\" data-end=\"912\"\u003eSeachem MultiTest™ Nitrite\/Nitrate\u003c\/strong\u003e kit gives you \u003cstrong data-start=\"927\" data-end=\"956\"\u003eextremely fine resolution\u003c\/strong\u003e, allowing you to catch problems early — \u003cem data-start=\"997\" data-end=\"1005\"\u003ebefore\u003c\/em\u003e your fish show signs of stress.\u003c\/p\u003e\n\u003ch3 data-start=\"1039\" data-end=\"1075\"\u003eWhat makes this test kit so good\u003c\/h3\u003e\n\u003cul data-start=\"1076\" data-end=\"1610\"\u003e\n\u003cli data-start=\"1076\" data-end=\"1116\"\u003e\n\u003cp data-start=\"1078\" data-end=\"1116\"\u003eMeasures \u003cstrong data-start=\"1087\" data-end=\"1116\"\u003enitrite down to \u0026lt;0.1 mg\/L\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1117\" data-end=\"1157\"\u003e\n\u003cp data-start=\"1119\" data-end=\"1157\"\u003eMeasures \u003cstrong data-start=\"1128\" data-end=\"1157\"\u003enitrate down to \u0026lt;0.2 mg\/L\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1158\" data-end=\"1209\"\u003e\n\u003cp data-start=\"1160\" data-end=\"1209\"\u003eWorks in \u003cstrong data-start=\"1169\" data-end=\"1209\"\u003eboth freshwater and marine aquariums\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1210\" data-end=\"1372\"\u003e\n\u003cp data-start=\"1212\" data-end=\"1372\"\u003eResults are expressed as \u003cstrong data-start=\"1237\" data-end=\"1275\"\u003enitrite and nitrate (not nitrogen)\u003c\/strong\u003e\u003cbr data-start=\"1275\" data-end=\"1278\"\u003e\u003cem data-start=\"1280\" data-end=\"1370\"\u003e(If you ever need nitrogen values, simply divide by 3.3 for nitrite and 4.4 for nitrate)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1373\" data-end=\"1401\"\u003e\n\u003cp data-start=\"1375\" data-end=\"1401\"\u003ePerforms \u003cstrong data-start=\"1384\" data-end=\"1401\"\u003eover 75 tests\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1402\" data-end=\"1497\"\u003e\n\u003cp data-start=\"1404\" data-end=\"1497\"\u003eIncludes a \u003cstrong data-start=\"1415\" data-end=\"1435\"\u003ereference sample\u003c\/strong\u003e so you can validate your results and trust what you’re seeing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1498\" data-end=\"1610\"\u003e\n\u003cp data-start=\"1500\" data-end=\"1610\"\u003eManufactured by \u003cstrong data-start=\"1516\" data-end=\"1557\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSeachem\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e, one of the most trusted names in the aquarium hobby\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1612\" data-end=\"1626\"\u003eIdeal for:\u003c\/h3\u003e\n\u003cul data-start=\"1627\" data-end=\"1828\"\u003e\n\u003cli data-start=\"1627\" data-end=\"1652\"\u003e\n\u003cp data-start=\"1629\" data-end=\"1652\"\u003eCycling new aquariums\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1653\" data-end=\"1685\"\u003e\n\u003cp data-start=\"1655\" data-end=\"1685\"\u003eMonitoring established tanks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1686\" data-end=\"1724\"\u003e\n\u003cp data-start=\"1688\" data-end=\"1724\"\u003eDiscus, shrimp \u0026amp; sensitive species\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1725\" data-end=\"1751\"\u003e\n\u003cp data-start=\"1727\" data-end=\"1751\"\u003eHeavily stocked setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1752\" data-end=\"1773\"\u003e\n\u003cp data-start=\"1754\" data-end=\"1773\"\u003ePlanted aquariums\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1774\" data-end=\"1828\"\u003e\n\u003cp data-start=\"1776\" data-end=\"1828\"\u003eAnyone who wants confidence in their water quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1830\" data-end=\"1967\"\u003eThis is the kind of test kit you buy once and keep using for years. Accurate, reliable, and genuinely useful - not just a “nice to have”.\u003c\/p\u003e\n\u003cp data-start=\"1969\" data-end=\"2096\"\u003eIf you want healthier fish, fewer losses, and actual confidence that your tank is where it should be, this kit is a no-brainer.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":42599385268301,"sku":null,"price":49.99,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/LG03.png?v=1768535063"},{"product_id":"api-copper-test-fresh-salt","title":"API Copper Test - Fresh\/Salt","description":"\u003cp data-start=\"88\" data-end=\"318\"\u003eMonitor copper levels accurately with the \u003cstrong data-start=\"130\" data-end=\"207\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAPI\u003c\/span\u003e\u003c\/span\u003e Copper Test Kit – Fresh \u0026amp; Saltwater\u003c\/strong\u003e — an essential tool for safely managing copper-based treatments and protecting sensitive aquarium inhabitants.\u003c\/p\u003e\n\u003cp data-start=\"320\" data-end=\"587\"\u003eCopper is commonly used in disease treatment, especially in marine systems, but levels must be carefully controlled. This test kit allows you to quickly and accurately measure copper concentrations, helping ensure treatment remains effective without becoming harmful.\u003c\/p\u003e\n\u003cp data-start=\"589\" data-end=\"705\"\u003eDesigned for both freshwater and saltwater aquariums, it provides reliable results with easy-to-follow instructions.\u003c\/p\u003e\n\u003ch3 data-section-id=\"12jh0uk\" data-start=\"707\" data-end=\"724\"\u003eKey Features:\u003c\/h3\u003e\n\u003cp data-start=\"726\" data-end=\"971\"\u003e✔ Tests copper levels in freshwater and marine aquariums\u003cbr data-start=\"782\" data-end=\"785\"\u003e✔ Essential for monitoring copper-based treatments\u003cbr data-start=\"835\" data-end=\"838\"\u003e✔ Accurate and reliable liquid test system\u003cbr data-start=\"880\" data-end=\"883\"\u003e✔ Easy-to-use with clear colour comparison\u003cbr data-start=\"925\" data-end=\"928\"\u003e✔ Includes all testing equipment required\u003c\/p\u003e\n\u003ch3 data-section-id=\"y1vz5g\" data-start=\"973\" data-end=\"989\"\u003ePerfect For:\u003c\/h3\u003e\n\u003cul data-start=\"991\" data-end=\"1143\"\u003e\n\u003cli data-section-id=\"tsw97e\" data-start=\"991\" data-end=\"1024\"\u003eQuarantine and hospital tanks\u003c\/li\u003e\n\u003cli data-section-id=\"11bwept\" data-start=\"1025\" data-end=\"1064\"\u003eMonitoring copper medication levels\u003c\/li\u003e\n\u003cli data-section-id=\"e5jn8\" data-start=\"1065\" data-end=\"1108\"\u003eMarine aquariums with sensitive species\u003c\/li\u003e\n\u003cli data-section-id=\"15ijpoa\" data-start=\"1109\" data-end=\"1143\"\u003eEnsuring safe treatment dosing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1145\" data-end=\"1308\"\u003eAccurate copper testing is critical when using medications. The \u003cstrong data-start=\"1209\" data-end=\"1232\"\u003eAPI Copper Test Kit\u003c\/strong\u003e gives you the confidence to treat effectively while keeping your fish safe.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":42852149657677,"sku":null,"price":36.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/KR12.png?v=1775693292"},{"product_id":"multitest-marine-ph-alkalinity","title":"Multitest Marine - pH\/Alkalinity","description":"\u003cp data-start=\"58\" data-end=\"385\"\u003eKeep your reef stable with the Seachem MultiTest Marine pH\/Alkalinity Test Kit. Designed for marine and brackish aquariums, this easy-to-read test kit measures both pH and total alkalinity from the same sample, helping you maintain the ideal water conditions for fish, corals, and other invertebrates.\u003c\/p\u003e\n\u003cp data-start=\"387\" data-end=\"762\"\u003eThe standout feature is its unique dye system, which gives a clear colour change right in the critical marine pH range of 8.0–8.3. That makes it much easier to spot small shifts before they become a bigger problem. The kit also measures total alkalinity in 0.5 meq\/L increments, giving you a reliable picture of your aquarium’s buffering capacity and resistance to pH swings.\u003c\/p\u003e\n\u003cp data-start=\"764\" data-end=\"926\"\u003eWith over 75 tests included plus a reference sample for validation, this is a practical and dependable choice for any marine hobbyist serious about water quality.\u003c\/p\u003e\n\u003cp data-start=\"928\" data-end=\"947\"\u003e\u003cstrong data-start=\"928\" data-end=\"945\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"948\" data-end=\"1233\"\u003e\n\u003cli data-section-id=\"1qli2zd\" data-start=\"948\" data-end=\"993\"\u003eTests both marine pH and total alkalinity\u003c\/li\u003e\n\u003cli data-section-id=\"10i4j6r\" data-start=\"994\" data-end=\"1057\"\u003eEasy-to-read colour change in the critical 8.0–8.3 pH range\u003c\/li\u003e\n\u003cli data-section-id=\"7r35zj\" data-start=\"1058\" data-end=\"1105\"\u003eMeasures alkalinity in 0.5 meq\/L increments\u003c\/li\u003e\n\u003cli data-section-id=\"gc00ji\" data-start=\"1106\" data-end=\"1157\"\u003eSuitable for marine and brackish aquariums only\u003c\/li\u003e\n\u003cli data-section-id=\"zuu9vw\" data-start=\"1158\" data-end=\"1206\"\u003eIncludes reference sample for added accuracy\u003c\/li\u003e\n\u003cli data-section-id=\"1yx0p4z\" data-start=\"1207\" data-end=\"1233\"\u003ePerforms over 75 tests\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":42878138089549,"sku":null,"price":49.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/LG01.png?v=1776295096"},{"product_id":"api-calcium-test-salt","title":"API Calcium Test – Salt","description":"\u003cp\u003e\u003cspan\u003eCalcium is one of the most important elements in a reef aquarium. Many reef invertebrates need calcium to grown and remain healthy. * For salt water *Helps aquarist easily and accurately measure the calcium level and maintain a healthy reef aquarium. 2 Bottle Kit.\u003c\/span\u003e\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":43326220271693,"sku":null,"price":39.99,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/05a57fe0-f01d-f111-8340-7ced8d344639.jpg?v=1785371924"},{"product_id":"api-high-range-ph-test-fresh-salt","title":"API High Range pH Test – Fresh\/Salt","description":"\u003cp\u003eThe \u003cstrong\u003eAPI High Range pH Test\u003c\/strong\u003e is an easy-to-use liquid test kit designed to accurately measure higher pH levels in both \u003cstrong\u003efreshwater and saltwater aquariums\u003c\/strong\u003e. It is particularly useful for aquariums containing fish that naturally prefer alkaline water conditions.\u003c\/p\u003e\n\u003cp\u003eWith a testing range of \u003cstrong\u003epH 7.4–8.8\u003c\/strong\u003e, this kit is ideal for monitoring water stability in African cichlid aquariums, marine systems, and other higher-pH setups. The liquid reagent and colour comparison chart provide quick, easy-to-read results for routine aquarium maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003cbr\u003e✔ Measures \u003cstrong\u003epH from 7.4–8.8\u003c\/strong\u003e\u003cbr\u003e✔ Suitable for freshwater and saltwater aquariums\u003cbr\u003e✔ Easy-to-use liquid testing method\u003cbr\u003e✔ Quick, easy-to-read results\u003cbr\u003e✔ Helps monitor pH stability and water chemistry\u003cbr\u003e✔ Ideal for aquariums maintained at higher pH levels\u003cbr\u003e✔ Useful for both new and established aquariums\u003cbr\u003e✔ Great for regular aquarium water testing\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003cbr\u003e✔ African cichlid aquariums\u003cbr\u003e✔ Lake Malawi and Tanganyika setups\u003cbr\u003e✔ Marine and saltwater aquariums\u003cbr\u003e✔ Brackish aquariums\u003cbr\u003e✔ Freshwater aquariums with naturally alkaline water\u003cbr\u003e✔ Routine water parameter monitoring\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Test pH?\u003c\/strong\u003e\u003cbr\u003eDifferent fish require different water conditions, and sudden changes in pH can cause stress. Regular testing allows you to monitor your aquarium's pH and identify changes before they become a larger problem.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":43716128112717,"sku":null,"price":23.95,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/fea47fe0-f01d-f111-8340-7ced8d344639.jpg?v=1788402011"},{"product_id":"seachem-multitest-phosphate","title":"Seachem Multitest – Phosphate","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eSeachem MultiTest Phosphate\u003c\/strong\u003e is a sensitive aquarium test kit designed to measure \u003cstrong\u003ephosphate (PO₄)\u003c\/strong\u003e levels in both freshwater and marine aquariums. Monitoring phosphate is particularly important in planted and reef systems, where maintaining appropriate levels can help support healthy plant and coral growth while managing unwanted algae.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003ephosphate detection range of 0.0–3.0 mg\/L\u003c\/strong\u003e, MultiTest Phosphate provides accurate, easy-to-read results for routine aquarium maintenance and troubleshooting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003cbr\u003e✔ Measures \u003cstrong\u003ephosphate (PO₄)\u003c\/strong\u003e levels\u003cbr\u003e✔ Detection range: \u003cstrong\u003e0.0–3.0 mg\/L phosphate\u003c\/strong\u003e\u003cbr\u003e✔ Suitable for freshwater and marine aquariums\u003cbr\u003e✔ Sensitive testing for low phosphate concentrations\u003cbr\u003e✔ Ideal for monitoring nutrient levels\u003cbr\u003e✔ Helps identify elevated phosphate that may contribute to unwanted algae\u003cbr\u003e✔ Useful for planted aquariums and reef systems\u003cbr\u003e✔ Designed for regular aquarium water testing\u003cbr\u003e✔ From trusted aquarium water-care brand Seachem\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003cbr\u003e✔ Freshwater aquariums\u003cbr\u003e✔ Planted aquariums\u003cbr\u003e✔ Marine aquariums\u003cbr\u003e✔ Reef aquariums\u003cbr\u003e✔ Monitoring nutrient levels\u003cbr\u003e✔ Troubleshooting algae issues\u003cbr\u003e✔ Routine aquarium maintenance\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Test Phosphate?\u003c\/strong\u003e\u003cbr\u003ePhosphate is an important nutrient, but excessive levels can contribute to unwanted algae growth and may be undesirable in sensitive reef systems. Regular testing allows you to track phosphate levels and make informed decisions about feeding, water changes, filtration, and nutrient management.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":43727880486989,"sku":null,"price":49.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/eca57fe0-f01d-f111-8340-7ced8d344639.jpg?v=1788744653"},{"product_id":"api-ammonia-test-fresh-salt","title":"API Ammonia Test – Fresh\/Salt","description":"\u003cp dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eAPI Ammonia Test Kit\u003c\/strong\u003e is a liquid aquarium test designed to accurately measure ammonia levels in both \u003cstrong\u003efreshwater and saltwater aquariums\u003c\/strong\u003e. Ammonia can build up from fish waste, uneaten food, and decaying organic matter, making regular testing especially important in new aquariums, heavily stocked tanks, or whenever filtration problems are suspected.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe kit measures ammonia from \u003cstrong\u003e0–8 ppm\u003c\/strong\u003e and provides approximately \u003cstrong\u003e130 tests\u003c\/strong\u003e, making it a reliable option for routine water monitoring and aquarium cycling. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Features\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ Tests \u003cstrong\u003eammonia from 0–8 ppm\u003c\/strong\u003e\u003cbr\u003e✔ Suitable for \u003cstrong\u003efreshwater and saltwater aquariums\u003c\/strong\u003e\u003cbr\u003e✔ Approximately \u003cstrong\u003e130 tests per kit\u003c\/strong\u003e\u003cbr\u003e✔ Liquid reagent testing for clear, easy-to-read results\u003cbr\u003e✔ Includes separate freshwater and saltwater colour charts\u003cbr\u003e✔ Helps monitor aquarium cycling and biological filtration\u003cbr\u003e✔ Ideal for detecting ammonia spikes early\u003cbr\u003e✔ Useful for both new and established aquariums \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ Ammonia Test Solution #1\u003cbr\u003e✔ Ammonia Test Solution #2\u003cbr\u003e✔ Glass test tube\u003cbr\u003e✔ Freshwater colour chart\u003cbr\u003e✔ Saltwater colour chart\u003cbr\u003e✔ Instructions \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003ePerfect For\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ New aquarium cycling\u003cbr\u003e✔ Freshwater aquariums\u003cbr\u003e✔ Marine aquariums\u003cbr\u003e✔ Community tanks\u003cbr\u003e✔ Heavily stocked aquariums\u003cbr\u003e✔ Checking filter performance\u003cbr\u003e✔ Investigating fish stress or unexpected water quality issues\u003cbr\u003e✔ Routine aquarium water testing\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhy Test Ammonia?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eAmmonia is produced continuously in aquariums from fish waste, uneaten food, and decomposing organic matter. A healthy biological filter normally processes it, so detectable ammonia can indicate that the aquarium is still cycling or that the filtration system is struggling to keep up.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":43811021848653,"sku":null,"price":38.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/08a57fe0-f01d-f111-8340-7ced8d344639.jpg?v=1789959500"},{"product_id":"seachem-multitest-ammonia","title":"Seachem Multitest – Ammonia","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eSeachem MultiTest Ammonia\u003c\/strong\u003e is a sensitive aquarium test kit designed to measure ammonia in both \u003cstrong\u003efreshwater and marine aquariums\u003c\/strong\u003e. It is particularly useful for monitoring new aquarium cycles, checking biological filtration performance, and identifying potentially dangerous ammonia spikes before they become a serious problem.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eUnlike many basic ammonia tests, MultiTest Ammonia can distinguish between \u003cstrong\u003efree ammonia (NH₃)\u003c\/strong\u003e and \u003cstrong\u003etotal ammonia\u003c\/strong\u003e, giving you a clearer picture of the ammonia present in your aquarium.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Features\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ Tests \u003cstrong\u003efree ammonia and total ammonia\u003c\/strong\u003e\u003cbr\u003e✔ Suitable for freshwater and marine aquariums\u003cbr\u003e✔ Helps monitor aquarium cycling\u003cbr\u003e✔ Useful for checking biological filtration performance\u003cbr\u003e✔ Sensitive testing for low ammonia levels\u003cbr\u003e✔ Helps identify ammonia spikes early\u003cbr\u003e✔ Ideal for both new and established aquariums\u003cbr\u003e✔ Suitable for routine aquarium water testing\u003cbr\u003e✔ From trusted aquarium water-care brand Seachem\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003ePerfect For\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ New aquarium cycling\u003cbr\u003e✔ Freshwater aquariums\u003cbr\u003e✔ Marine aquariums\u003cbr\u003e✔ Community tanks\u003cbr\u003e✔ Heavily stocked aquariums\u003cbr\u003e✔ Checking filter performance\u003cbr\u003e✔ Troubleshooting water quality issues\u003cbr\u003e✔ Routine ammonia monitoring\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhy Test Ammonia?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eAmmonia is produced from fish waste, uneaten food, and decomposing organic matter. In a mature aquarium, beneficial bacteria should process ammonia efficiently, so detectable levels can indicate that the aquarium is still cycling or that the biological filter is under stress.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":43811024568397,"sku":null,"price":49.99,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/e8a57fe0-f01d-f111-8340-7ced8d344639.png?v=1789959565"},{"product_id":"seachem-multitest-copper","title":"Seachem Multitest – Copper","description":"\u003cp dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eeachem MultiTest Copper\u003c\/strong\u003e is a highly sensitive aquarium test kit designed to measure \u003cstrong\u003eall forms of copper\u003c\/strong\u003e in both freshwater and marine aquariums. It is especially useful when running copper-based treatments, where accurate testing is essential to maintain the correct therapeutic level while avoiding overdosing.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe kit measures copper from \u003cstrong\u003e0–0.80 mg\/L\u003c\/strong\u003e and can detect levels below \u003cstrong\u003e0.01 mg\/L\u003c\/strong\u003e, giving you precise control when monitoring copper concentrations. It also includes a \u003cstrong\u003ereference sample for test validation\u003c\/strong\u003e and a multi-cavity test plate that allows several tests to be run at once. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Features\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ Measures \u003cstrong\u003eall types of copper\u003c\/strong\u003e\u003cbr\u003e✔ Test range: \u003cstrong\u003e0–0.80 mg\/L\u003c\/strong\u003e\u003cbr\u003e✔ Detects copper levels below \u003cstrong\u003e0.01 mg\/L\u003c\/strong\u003e\u003cbr\u003e✔ Performs \u003cstrong\u003eover 75 tests\u003c\/strong\u003e\u003cbr\u003e✔ Suitable for freshwater and marine aquariums\u003cbr\u003e✔ Ideal for monitoring copper-based treatments\u003cbr\u003e✔ Multi-cavity plate allows up to \u003cstrong\u003e6 tests at once\u003c\/strong\u003e\u003cbr\u003e✔ Includes a reference sample for checking test accuracy\u003cbr\u003e✔ Sensitive colour-based testing system\u003cbr\u003e✔ Useful for quarantine and hospital tank monitoring \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003ePerfect For\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ Marine quarantine tanks\u003cbr\u003e✔ Freshwater treatment tanks\u003cbr\u003e✔ Monitoring copper medications\u003cbr\u003e✔ Checking copper concentration during treatment\u003cbr\u003e✔ Fish-only hospital systems\u003cbr\u003e✔ Aquarists requiring precise copper testing\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhy Test Copper?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eCopper-based treatments need to remain within a specific concentration range to work effectively and safely. Regular testing helps ensure copper levels do not fall too low or rise beyond the intended treatment range.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":43811027222605,"sku":null,"price":49.99,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/eaa57fe0-f01d-f111-8340-7ced8d344639.png?v=1789959764"},{"product_id":"seachem-multitest-silicate","title":"Seachem Multitest – Silicate","description":"\u003cp dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eSeachem MultiTest Silicate\u003c\/strong\u003e is a sensitive aquarium test kit designed to measure \u003cstrong\u003esoluble silicate\u003c\/strong\u003e in both freshwater and marine aquariums. It is particularly useful in marine and reef systems, where elevated silicate levels can contribute to unwanted \u003cstrong\u003ediatom algae growth\u003c\/strong\u003e.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe kit measures silicate from \u003cstrong\u003e0–25 mg\/L\u003c\/strong\u003e and can detect levels below \u003cstrong\u003e0.5 mg\/L\u003c\/strong\u003e, making it suitable for routine monitoring and troubleshooting. It also includes a reference sample so you can validate the test if required. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Features\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ Measures \u003cstrong\u003esilicate from 0–25 mg\/L\u003c\/strong\u003e\u003cbr\u003e✔ Detects silicate levels below \u003cstrong\u003e0.5 mg\/L\u003c\/strong\u003e\u003cbr\u003e✔ Suitable for \u003cstrong\u003efreshwater and marine aquariums\u003c\/strong\u003e\u003cbr\u003e✔ Performs \u003cstrong\u003eover 75 tests\u003c\/strong\u003e\u003cbr\u003e✔ Multi-cavity test plate allows up to \u003cstrong\u003e6 tests at once\u003c\/strong\u003e\u003cbr\u003e✔ Includes a reference sample for test validation\u003cbr\u003e✔ Easy-to-read colour chart\u003cbr\u003e✔ Ideal for monitoring silicate in reef and marine systems\u003cbr\u003e✔ Useful when troubleshooting persistent diatom algae \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003ePerfect For\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ Marine aquariums\u003cbr\u003e✔ Reef aquariums\u003cbr\u003e✔ Freshwater aquariums\u003cbr\u003e✔ Monitoring source water\u003cbr\u003e✔ Checking silicate levels after water changes\u003cbr\u003e✔ Troubleshooting brown diatom algae\u003cbr\u003e✔ Routine aquarium water testing\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhy Test Silicate?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eSilicate itself is not considered toxic to fish, but elevated levels can encourage \u003cstrong\u003ediatom growth\u003c\/strong\u003e, particularly in marine aquariums. Seachem recommends keeping silicate at around \u003cstrong\u003e1 mg\/L or lower in reef and marine systems\u003c\/strong\u003e to help minimise diatom algae. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":43811027976269,"sku":null,"price":49.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/eea57fe0-f01d-f111-8340-7ced8d344639.png?v=1789959829"},{"product_id":"seachem-multitest-iodine-iodide","title":"Seachem Multitest – Iodine\/Iodide","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eSeachem MultiTest Iodine \u0026amp; Iodide\u003c\/strong\u003e is a highly sensitive aquarium test kit designed to measure \u003cstrong\u003eiodine and iodide levels\u003c\/strong\u003e in both freshwater and marine aquariums. It is especially useful in reef systems, where maintaining appropriate iodide levels can be important for monitoring trace element supplementation and overall water chemistry.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe kit measures \u003cstrong\u003e0–0.10 mg\/L\u003c\/strong\u003e and can detect changes as small as approximately \u003cstrong\u003e0.0025–0.005 mg\/L\u003c\/strong\u003e, making it well suited to precise reef aquarium testing. It also includes a reference sample so you can check that the test is performing correctly. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Features\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ Measures \u003cstrong\u003eiodine and iodide\u003c\/strong\u003e\u003cbr\u003e✔ Test range: \u003cstrong\u003e0–0.10 mg\/L\u003c\/strong\u003e\u003cbr\u003e✔ Detects very low concentrations\u003cbr\u003e✔ Performs \u003cstrong\u003eover 75 tests\u003c\/strong\u003e\u003cbr\u003e✔ Suitable for freshwater and marine aquariums\u003cbr\u003e✔ Particularly useful for reef aquariums\u003cbr\u003e✔ Multi-cavity test plate allows up to \u003cstrong\u003e6 tests at once\u003c\/strong\u003e\u003cbr\u003e✔ Includes a reference sample for test validation\u003cbr\u003e✔ Easy-to-read colour chart\u003cbr\u003e✔ Ideal for monitoring iodide supplementation \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003ePerfect For\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ Reef aquariums\u003cbr\u003e✔ Marine aquariums\u003cbr\u003e✔ Monitoring iodide supplementation\u003cbr\u003e✔ Soft coral systems\u003cbr\u003e✔ Hard coral systems\u003cbr\u003e✔ Checking trace element levels\u003cbr\u003e✔ Routine reef water testing\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhy Test Iodine \u0026amp; Iodide?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eNatural seawater contains around \u003cstrong\u003e0.06 mg\/L iodide\u003c\/strong\u003e, and Seachem recommends maintaining levels close to this range rather than allowing them to rise excessively. Because iodide can be depleted relatively quickly in reef systems, regular testing helps you avoid both underdosing and unnecessary supplementation.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":43811028697165,"sku":null,"price":49.99,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/efa57fe0-f01d-f111-8340-7ced8d344639.png?v=1789959861"},{"product_id":"hanna-hi774-marine-phosphate-checker","title":"Hanna Marine Ultra Low Range Phosphate Checker HC - HI774","description":"\u003cp\u003e\u003cspan\u003eTake \u003c\/span\u003e\u003cspan\u003ethe \u003c\/span\u003e\u003cspan\u003eguesswork \u003c\/span\u003e\u003cspan\u003eout \u003c\/span\u003e\u003cspan\u003eof \u003c\/span\u003e\u003cspan\u003ereef \u003c\/span\u003e\u003cspan\u003eaquarium \u003c\/span\u003e\u003cspan\u003ewater \u003c\/span\u003e\u003cspan\u003etesting \u003c\/span\u003e\u003cspan\u003ewith \u003c\/span\u003e\u003cspan\u003ethe \u003c\/span\u003e\u003cspan\u003eHanna Marine Ultra Low Range Phosphate Checker® HC – HI774\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003eDesigned \u003c\/span\u003e\u003cspan\u003especifically \u003c\/span\u003e\u003cspan\u003efor \u003c\/span\u003e\u003cspan\u003esaltwater \u003c\/span\u003e\u003cspan\u003eaquariums, \u003c\/span\u003e\u003cspan\u003ethis \u003c\/span\u003e\u003cspan\u003ecompact \u003c\/span\u003e\u003cspan\u003edigital \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003etester \u003c\/span\u003e\u003cspan\u003edelivers \u003c\/span\u003e\u003cspan\u003eaccurate, \u003c\/span\u003e\u003cspan\u003eeasy-to-read \u003c\/span\u003e\u003cspan\u003eresults, \u003c\/span\u003e\u003cspan\u003emaking \u003c\/span\u003e\u003cspan\u003eit \u003c\/span\u003e\u003cspan\u003ean \u003c\/span\u003e\u003cspan\u003eessential \u003c\/span\u003e\u003cspan\u003etool \u003c\/span\u003e\u003cspan\u003efor \u003c\/span\u003e\u003cspan\u003emaintaining \u003c\/span\u003e\u003cspan\u003ea \u003c\/span\u003e\u003cspan\u003ehealthy \u003c\/span\u003e\u003cspan\u003ereef \u003c\/span\u003e\u003cspan\u003etank.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePhosphate \u003c\/span\u003e\u003cspan\u003eplays \u003c\/span\u003e\u003cspan\u003ean \u003c\/span\u003e\u003cspan\u003eimportant \u003c\/span\u003e\u003cspan\u003erole \u003c\/span\u003e\u003cspan\u003ein \u003c\/span\u003e\u003cspan\u003emarine \u003c\/span\u003e\u003cspan\u003eaquarium \u003c\/span\u003e\u003cspan\u003ehealth, \u003c\/span\u003e\u003cspan\u003ebut \u003c\/span\u003e\u003cspan\u003emaintaining \u003c\/span\u003e\u003cspan\u003ethe \u003c\/span\u003e\u003cspan\u003eright \u003c\/span\u003e\u003cspan\u003ebalance \u003c\/span\u003e\u003cspan\u003eis \u003c\/span\u003e\u003cspan\u003ecritical. \u003c\/span\u003e\u003cspan\u003eExcess \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003ecan \u003c\/span\u003e\u003cspan\u003econtribute \u003c\/span\u003e\u003cspan\u003eto \u003c\/span\u003e\u003cspan\u003enuisance \u003c\/span\u003e\u003cspan\u003ealgae \u003c\/span\u003e\u003cspan\u003egrowth \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003einhibit \u003c\/span\u003e\u003cspan\u003ecoral \u003c\/span\u003e\u003cspan\u003eskeletal \u003c\/span\u003e\u003cspan\u003egrowth, \u003c\/span\u003e\u003cspan\u003ewhile \u003c\/span\u003e\u003cspan\u003eextremely \u003c\/span\u003e\u003cspan\u003elow \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003elevels \u003c\/span\u003e\u003cspan\u003ecan \u003c\/span\u003e\u003cspan\u003enegatively \u003c\/span\u003e\u003cspan\u003eaffect \u003c\/span\u003e\u003cspan\u003ecoral \u003c\/span\u003e\u003cspan\u003ehealth. \u003c\/span\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eHanna \u003c\/span\u003e\u003cspan\u003eHI774 \u003c\/span\u003e\u003cspan\u003emakes \u003c\/span\u003e\u003cspan\u003emonitoring \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003elevels \u003c\/span\u003e\u003cspan\u003esimple, \u003c\/span\u003e\u003cspan\u003ehelping \u003c\/span\u003e\u003cspan\u003eyou \u003c\/span\u003e\u003cspan\u003emaintain \u003c\/span\u003e\u003cspan\u003estable \u003c\/span\u003e\u003cspan\u003ewater \u003c\/span\u003e\u003cspan\u003eparameters \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003eprovide \u003c\/span\u003e\u003cspan\u003ethe \u003c\/span\u003e\u003cspan\u003ebest \u003c\/span\u003e\u003cspan\u003epossible \u003c\/span\u003e\u003cspan\u003eenvironment \u003c\/span\u003e\u003cspan\u003efor \u003c\/span\u003e\u003cspan\u003eyour \u003c\/span\u003e\u003cspan\u003ecorals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike \u003c\/span\u003e\u003cspan\u003etraditional \u003c\/span\u003e\u003cspan\u003ecolour-matching \u003c\/span\u003e\u003cspan\u003etest \u003c\/span\u003e\u003cspan\u003ekits, \u003c\/span\u003e\u003cspan\u003ethe \u003c\/span\u003e\u003cspan\u003eHanna \u003c\/span\u003e\u003cspan\u003eChecker \u003c\/span\u003e\u003cspan\u003euses \u003c\/span\u003e\u003cspan\u003ea \u003c\/span\u003e\u003cspan\u003edigital \u003c\/span\u003e\u003cspan\u003ecolourimeter \u003c\/span\u003e\u003cspan\u003eto \u003c\/span\u003e\u003cspan\u003emeasure \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003econcentrations, \u003c\/span\u003e\u003cspan\u003eeliminating \u003c\/span\u003e\u003cspan\u003ethe \u003c\/span\u003e\u003cspan\u003eneed \u003c\/span\u003e\u003cspan\u003eto \u003c\/span\u003e\u003cspan\u003einterpret \u003c\/span\u003e\u003cspan\u003esubtle \u003c\/span\u003e\u003cspan\u003ecolour \u003c\/span\u003e\u003cspan\u003edifferences. \u003c\/span\u003e\u003cspan\u003eWith \u003c\/span\u003e\u003cspan\u003ean \u003c\/span\u003e\u003cspan\u003eimpressive \u003c\/span\u003e\u003cspan\u003e0.01 ppm resolution\u003c\/span\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cspan\u003eit's \u003c\/span\u003e\u003cspan\u003eparticularly \u003c\/span\u003e\u003cspan\u003euseful \u003c\/span\u003e\u003cspan\u003efor \u003c\/span\u003e\u003cspan\u003ereef \u003c\/span\u003e\u003cspan\u003ekeepers \u003c\/span\u003e\u003cspan\u003ewho \u003c\/span\u003e\u003cspan\u003eneed \u003c\/span\u003e\u003cspan\u003eto \u003c\/span\u003e\u003cspan\u003emonitor \u003c\/span\u003e\u003cspan\u003elow \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003elevels \u003c\/span\u003e\u003cspan\u003eaccurately.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan\u003eKey \u003c\/span\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eUltra Low Range Testing:\u003c\/span\u003e \u003cspan\u003eMeasures \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003econcentrations \u003c\/span\u003e\u003cspan\u003efrom \u003c\/span\u003e\u003cspan\u003e0.00 \u003c\/span\u003e\u003cspan\u003eto \u003c\/span\u003e\u003cspan\u003e0.90 \u003c\/span\u003e\u003cspan\u003eppm, \u003c\/span\u003e\u003cspan\u003eideal \u003c\/span\u003e\u003cspan\u003efor \u003c\/span\u003e\u003cspan\u003emarine \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003ereef \u003c\/span\u003e\u003cspan\u003eaquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eDigital Accuracy:\u003c\/span\u003e \u003cspan\u003eProvides \u003c\/span\u003e\u003cspan\u003eclear \u003c\/span\u003e\u003cspan\u003enumerical \u003c\/span\u003e\u003cspan\u003eresults \u003c\/span\u003e\u003cspan\u003ewithout \u003c\/span\u003e\u003cspan\u003ethe \u003c\/span\u003e\u003cspan\u003eguesswork \u003c\/span\u003e\u003cspan\u003eof \u003c\/span\u003e\u003cspan\u003etraditional \u003c\/span\u003e\u003cspan\u003ecolour \u003c\/span\u003e\u003cspan\u003echarts.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003e0.01 ppm Resolution:\u003c\/span\u003e \u003cspan\u003ePerfect \u003c\/span\u003e\u003cspan\u003efor \u003c\/span\u003e\u003cspan\u003emonitoring \u003c\/span\u003e\u003cspan\u003ethe \u003c\/span\u003e\u003cspan\u003elow \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003econcentrations \u003c\/span\u003e\u003cspan\u003ecommonly \u003c\/span\u003e\u003cspan\u003emaintained \u003c\/span\u003e\u003cspan\u003ein \u003c\/span\u003e\u003cspan\u003ereef \u003c\/span\u003e\u003cspan\u003eaquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eEasy to Use:\u003c\/span\u003e \u003cspan\u003eSimple \u003c\/span\u003e\u003cspan\u003esingle-button \u003c\/span\u003e\u003cspan\u003eoperation \u003c\/span\u003e\u003cspan\u003emakes \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003etesting \u003c\/span\u003e\u003cspan\u003estraightforward.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for Coral Health:\u003c\/span\u003e \u003cspan\u003eHelps \u003c\/span\u003e\u003cspan\u003ereef \u003c\/span\u003e\u003cspan\u003ekeepers \u003c\/span\u003e\u003cspan\u003emonitor \u003c\/span\u003e\u003cspan\u003enutrient \u003c\/span\u003e\u003cspan\u003elevels \u003c\/span\u003e\u003cspan\u003ein \u003c\/span\u003e\u003cspan\u003eSPS, \u003c\/span\u003e\u003cspan\u003eLPS \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003emixed \u003c\/span\u003e\u003cspan\u003ereef \u003c\/span\u003e\u003cspan\u003eaquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eCompact \u0026amp; Portable:\u003c\/span\u003e \u003cspan\u003eLightweight \u003c\/span\u003e\u003cspan\u003ehandheld \u003c\/span\u003e\u003cspan\u003edesign \u003c\/span\u003e\u003cspan\u003efor \u003c\/span\u003e\u003cspan\u003econvenient \u003c\/span\u003e\u003cspan\u003eaquarium \u003c\/span\u003e\u003cspan\u003emaintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eReady to Use:\u003c\/span\u003e \u003cspan\u003eIncludes \u003c\/span\u003e\u003cspan\u003esample \u003c\/span\u003e\u003cspan\u003ecuvettes, \u003c\/span\u003e\u003cspan\u003ebattery \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003estarter \u003c\/span\u003e\u003cspan\u003ereagents \u003c\/span\u003e\u003cspan\u003efor \u003c\/span\u003e\u003cspan\u003e6 tests\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan\u003eHanna \u003c\/span\u003e\u003cspan\u003eHI774 \u003c\/span\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cp\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth\u003e\n\u003cp\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eHanna \u003c\/span\u003e\u003cspan\u003eInstruments\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eHI774\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eTest \u003c\/span\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003ePhosphate \u003c\/span\u003e\u003cspan\u003e(PO₄³⁻)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eTesting \u003c\/span\u003e\u003cspan\u003eRange\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e0.00–0.90 \u003c\/span\u003e\u003cspan\u003eppm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eResolution\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e0.01 \u003c\/span\u003e\u003cspan\u003eppm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eAccuracy\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e±0.02 \u003c\/span\u003e\u003cspan\u003eppm \u003c\/span\u003e\u003cspan\u003e±5% \u003c\/span\u003e\u003cspan\u003eof \u003c\/span\u003e\u003cspan\u003ereading \u003c\/span\u003e\u003cspan\u003eat \u003c\/span\u003e\u003cspan\u003e25°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eTesting \u003c\/span\u003e\u003cspan\u003eMethod\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eAscorbic \u003c\/span\u003e\u003cspan\u003eAcid \u003c\/span\u003e\u003cspan\u003eColorimetric \u003c\/span\u003e\u003cspan\u003eMethod\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eLight \u003c\/span\u003e\u003cspan\u003eSource\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eLED \u003c\/span\u003e\u003cspan\u003eat \u003c\/span\u003e\u003cspan\u003e525 \u003c\/span\u003e\u003cspan\u003enm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eBattery\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e1 \u003c\/span\u003e\u003cspan\u003e× \u003c\/span\u003e\u003cspan\u003eAAA \u003c\/span\u003e\u003cspan\u003e1.5V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e86 \u003c\/span\u003e\u003cspan\u003e× \u003c\/span\u003e\u003cspan\u003e61 \u003c\/span\u003e\u003cspan\u003e× \u003c\/span\u003e\u003cspan\u003e37.5 \u003c\/span\u003e\u003cspan\u003emm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e64 \u003c\/span\u003e\u003cspan\u003eg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eSuitable \u003c\/span\u003e\u003cspan\u003eFor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eMarine \u003c\/span\u003e\u003cspan\u003e\u0026amp; \u003c\/span\u003e\u003cspan\u003eReef \u003c\/span\u003e\u003cspan\u003eAquariums\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\n\u003cspan\u003eWhy \u003c\/span\u003e\u003cspan\u003eTest \u003c\/span\u003e\u003cspan\u003ePhosphate \u003c\/span\u003e\u003cspan\u003ein \u003c\/span\u003e\u003cspan\u003eYour \u003c\/span\u003e\u003cspan\u003eReef \u003c\/span\u003e\u003cspan\u003eAquarium?\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePhosphate \u003c\/span\u003e\u003cspan\u003eis \u003c\/span\u003e\u003cspan\u003eone \u003c\/span\u003e\u003cspan\u003eof \u003c\/span\u003e\u003cspan\u003ethe \u003c\/span\u003e\u003cspan\u003emost \u003c\/span\u003e\u003cspan\u003eimportant \u003c\/span\u003e\u003cspan\u003enutrients \u003c\/span\u003e\u003cspan\u003eto \u003c\/span\u003e\u003cspan\u003emonitor \u003c\/span\u003e\u003cspan\u003ein \u003c\/span\u003e\u003cspan\u003ea \u003c\/span\u003e\u003cspan\u003esaltwater \u003c\/span\u003e\u003cspan\u003eaquarium. \u003c\/span\u003e\u003cspan\u003eWhile \u003c\/span\u003e\u003cspan\u003ecorals \u003c\/span\u003e\u003cspan\u003erequire \u003c\/span\u003e\u003cspan\u003esome \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003efor \u003c\/span\u003e\u003cspan\u003ehealthy \u003c\/span\u003e\u003cspan\u003ebiological \u003c\/span\u003e\u003cspan\u003eprocesses, \u003c\/span\u003e\u003cspan\u003eexcessive \u003c\/span\u003e\u003cspan\u003econcentrations \u003c\/span\u003e\u003cspan\u003ecan \u003c\/span\u003e\u003cspan\u003eencourage \u003c\/span\u003e\u003cspan\u003enuisance \u003c\/span\u003e\u003cspan\u003ealgae \u003c\/span\u003e\u003cspan\u003egrowth \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003einterfere \u003c\/span\u003e\u003cspan\u003ewith \u003c\/span\u003e\u003cspan\u003ecoral \u003c\/span\u003e\u003cspan\u003ecalcification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRegular \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003etesting \u003c\/span\u003e\u003cspan\u003eallows \u003c\/span\u003e\u003cspan\u003eyou \u003c\/span\u003e\u003cspan\u003eto \u003c\/span\u003e\u003cspan\u003emonitor \u003c\/span\u003e\u003cspan\u003echanges \u003c\/span\u003e\u003cspan\u003ein \u003c\/span\u003e\u003cspan\u003eyour \u003c\/span\u003e\u003cspan\u003eaquarium's \u003c\/span\u003e\u003cspan\u003enutrient \u003c\/span\u003e\u003cspan\u003elevels \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003emake \u003c\/span\u003e\u003cspan\u003einformed \u003c\/span\u003e\u003cspan\u003eadjustments \u003c\/span\u003e\u003cspan\u003eto \u003c\/span\u003e\u003cspan\u003efeeding, \u003c\/span\u003e\u003cspan\u003efiltration \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003enutrient \u003c\/span\u003e\u003cspan\u003eexport.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eHanna \u003c\/span\u003e\u003cspan\u003eHI774 \u003c\/span\u003e\u003cspan\u003eis \u003c\/span\u003e\u003cspan\u003eparticularly \u003c\/span\u003e\u003cspan\u003epopular \u003c\/span\u003e\u003cspan\u003eamong \u003c\/span\u003e\u003cspan\u003ereef \u003c\/span\u003e\u003cspan\u003ekeepers \u003c\/span\u003e\u003cspan\u003emaintaining \u003c\/span\u003e\u003cspan\u003eSPS-dominant \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003emixed \u003c\/span\u003e\u003cspan\u003ereef \u003c\/span\u003e\u003cspan\u003eaquariums, \u003c\/span\u003e\u003cspan\u003ewhere \u003c\/span\u003e\u003cspan\u003enutrient \u003c\/span\u003e\u003cspan\u003estability \u003c\/span\u003e\u003cspan\u003eis \u003c\/span\u003e\u003cspan\u003eessential.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan\u003eWhat's \u003c\/span\u003e\u003cspan\u003eIncluded?\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003e1 \u003c\/span\u003e\u003cspan\u003e× \u003c\/span\u003e\u003cspan\u003eHanna \u003c\/span\u003e\u003cspan\u003eHI774 \u003c\/span\u003e\u003cspan\u003ePhosphate \u003c\/span\u003e\u003cspan\u003eChecker® \u003c\/span\u003e\u003cspan\u003eHC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003e2 \u003c\/span\u003e\u003cspan\u003e× \u003c\/span\u003e\u003cspan\u003eSample \u003c\/span\u003e\u003cspan\u003ecuvettes \u003c\/span\u003e\u003cspan\u003ewith \u003c\/span\u003e\u003cspan\u003ecaps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003ePhosphate ULR reagents for 6 tests\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003e1 \u003c\/span\u003e\u003cspan\u003e× \u003c\/span\u003e\u003cspan\u003eAAA \u003c\/span\u003e\u003cspan\u003ebattery\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eInstruction \u003c\/span\u003e\u003cspan\u003emanual \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003equick \u003c\/span\u003e\u003cspan\u003estart \u003c\/span\u003e\u003cspan\u003eguide\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eProtective \u003c\/span\u003e\u003cspan\u003ecarrying \u003c\/span\u003e\u003cspan\u003ecase\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan\u003eReplacement \u003c\/span\u003e\u003cspan\u003eReagents\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eHanna \u003c\/span\u003e\u003cspan\u003eHI774 \u003c\/span\u003e\u003cspan\u003euses \u003c\/span\u003e\u003cspan\u003eHanna HI774-25 Marine Phosphate Ultra Low Range Reagents\u003c\/span\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cspan\u003eavailable \u003c\/span\u003e\u003cspan\u003eseparately \u003c\/span\u003e\u003cspan\u003ein \u003c\/span\u003e\u003cspan\u003epacks \u003c\/span\u003e\u003cspan\u003eof \u003c\/span\u003e\u003cspan\u003e25 \u003c\/span\u003e\u003cspan\u003etests.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor \u003c\/span\u003e\u003cspan\u003econtinued \u003c\/span\u003e\u003cspan\u003eaccuracy, \u003c\/span\u003e\u003cspan\u003ewe \u003c\/span\u003e\u003cspan\u003erecommend \u003c\/span\u003e\u003cspan\u003ekeeping \u003c\/span\u003e\u003cspan\u003eyour \u003c\/span\u003e\u003cspan\u003eglass \u003c\/span\u003e\u003cspan\u003ecuvettes \u003c\/span\u003e\u003cspan\u003eclean \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003efree \u003c\/span\u003e\u003cspan\u003eof \u003c\/span\u003e\u003cspan\u003efingerprints, \u003c\/span\u003e\u003cspan\u003escratches \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003eresidue \u003c\/span\u003e\u003cspan\u003ebefore \u003c\/span\u003e\u003cspan\u003eevery \u003c\/span\u003e\u003cspan\u003emeasurement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSerious about reef keeping?\u003c\/span\u003e \u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eHanna \u003c\/span\u003e\u003cspan\u003eMarine \u003c\/span\u003e\u003cspan\u003eUltra \u003c\/span\u003e\u003cspan\u003eLow \u003c\/span\u003e\u003cspan\u003eRange \u003c\/span\u003e\u003cspan\u003ePhosphate \u003c\/span\u003e\u003cspan\u003eChecker \u003c\/span\u003e\u003cspan\u003eis \u003c\/span\u003e\u003cspan\u003eone \u003c\/span\u003e\u003cspan\u003eof \u003c\/span\u003e\u003cspan\u003ethe \u003c\/span\u003e\u003cspan\u003emost \u003c\/span\u003e\u003cspan\u003euseful \u003c\/span\u003e\u003cspan\u003einvestments \u003c\/span\u003e\u003cspan\u003eyou \u003c\/span\u003e\u003cspan\u003ecan \u003c\/span\u003e\u003cspan\u003emake \u003c\/span\u003e\u003cspan\u003ein \u003c\/span\u003e\u003cspan\u003eyour \u003c\/span\u003e\u003cspan\u003eaquarium's \u003c\/span\u003e\u003cspan\u003ewater \u003c\/span\u003e\u003cspan\u003etesting \u003c\/span\u003e\u003cspan\u003eequipment. \u003c\/span\u003e\u003cspan\u003eSimple, \u003c\/span\u003e\u003cspan\u003ereliable \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003eaccurate, \u003c\/span\u003e\u003cspan\u003eit \u003c\/span\u003e\u003cspan\u003egives \u003c\/span\u003e\u003cspan\u003eyou \u003c\/span\u003e\u003cspan\u003ethe \u003c\/span\u003e\u003cspan\u003econfidence \u003c\/span\u003e\u003cspan\u003eto \u003c\/span\u003e\u003cspan\u003emanage \u003c\/span\u003e\u003cspan\u003ephosphate \u003c\/span\u003e\u003cspan\u003elevels \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003emaintain \u003c\/span\u003e\u003cspan\u003ea \u003c\/span\u003e\u003cspan\u003ethriving \u003c\/span\u003e\u003cspan\u003ereef \u003c\/span\u003e\u003cspan\u003eaquarium.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mediray","offers":[{"title":"Default Title","offer_id":67693550534733,"sku":null,"price":169.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/HannaMarineUltraLowRangePhosphateChecker.webp?v=1792014461"},{"product_id":"hanna-marine-magnesium-checker-hc-hi783","title":"Hanna Marine Magnesium Checker HC – HI783","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003ehe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHanna Marine Magnesium Checker HC (HI783)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e takes the guesswork out of testing magnesium levels in your marine aquarium. Designed specifically for saltwater aquariums and reef tanks, this digital handheld colorimeter delivers easy-to-read magnesium measurements without the hassle of interpreting colour changes in traditional test kits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMagnesium is essential for maintaining a healthy reef aquarium, helping stabilise calcium and alkalinity levels while supporting coral growth and skeletal development. The Hanna HI783 makes it easy to monitor magnesium levels, giving you greater confidence when managing your reef tank's water chemistry.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDigital Magnesium Testing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Clear LCD display provides results directly in ppm, eliminating colour-matching guesswork.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Marine Aquariums\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Ideal for reef tanks, coral aquariums and fish-only saltwater systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAccurate Measurements\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Measures magnesium between 1000 and 1800 ppm with 5 ppm resolution.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSimple One-Button Operation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Easy to use for both beginner and experienced reef keepers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact \u0026amp; Portable\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Lightweight handheld design makes regular aquarium testing convenient.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e25 Tests Included\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Comes with magnesium reagents for 25 tests, so you're ready to start testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReplaceable Reagents\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Compatible with Hanna HI783-25 Marine Magnesium Reagents.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e HI783\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Parameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnesium (Mg)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMeasurement Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1000–1800 ppm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eResolution:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5 ppm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAccuracy:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ±5% of reading at 25°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Colorimetric EDTA method\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLight Source:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e LED at 610 nm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBattery:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1 × AAA (included)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAutomatic Shut-Off:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e After 10 minutes of inactivity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhat's Included?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHanna HI783 Marine Magnesium Checker HC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnesium reagents for 25 tests\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 glass cuvettes with caps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 colour-coded 5 mL syringes with tips\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 AAA battery\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInstruction manual and quick-reference guide\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Choose Hanna?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIf you're serious about maintaining stable water parameters in your reef aquarium, the Hanna Checker range is an excellent investment. With straightforward digital measurements and convenient testing, monitoring your magnesium levels becomes a much simpler part of your regular aquarium maintenance routine.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mediray","offers":[{"title":"Default Title","offer_id":67694405648461,"sku":null,"price":189.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/HannaMarineMagnesiumCheckerHC_HI783.png?v=1792015667"},{"product_id":"hanna-marine-alkalinity-checker-hc-hi772-dkh","title":"Hanna Marine Alkalinity Checker HC - HI772 (dKH)","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHanna Marine Alkalinity Checker HC (HI772)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e makes testing alkalinity in your saltwater aquarium easier, faster and more accurate. Designed specifically for marine and reef aquariums, this digital handheld colorimeter provides precise alkalinity readings directly in dKH, eliminating the guesswork of traditional colour-matching test kits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlkalinity is one of the most important water parameters to monitor in a reef aquarium. It plays a vital role in maintaining stable pH levels and providing the carbonate required for healthy coral skeletal growth. The Hanna HI772 allows you to monitor your alkalinity with confidence, helping you maintain consistent water chemistry and a thriving reef environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDigital Alkalinity Testing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Displays alkalinity readings directly in dKH, removing the need to interpret colour charts.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Marine Aquariums\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Perfect for saltwater aquariums, reef tanks and coral systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAccurate Measurements\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Measures alkalinity between 0.0 and 20.0 dKH with a resolution of 0.1 dKH.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSimple One-Button Operation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Straightforward testing suitable for beginners and experienced reef keepers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSupports Coral Health\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Helps you monitor carbonate hardness, an essential parameter for coral growth and pH stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact \u0026amp; Portable\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Lightweight handheld design makes regular aquarium maintenance convenient.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e25 Tests Included\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Supplied with alkalinity reagents for 25 tests, allowing you to start testing straight away.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReplaceable Reagents\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Compatible with Hanna HI772-26 Marine Alkalinity Reagents.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e HI772\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Parameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Marine Alkalinity (dKH)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMeasurement Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.0–20.0 dKH\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eResolution:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.1 dKH\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAccuracy:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ±0.3 dKH ±5% of reading at 25°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Colorimetric\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLight Source:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e LED at 610 nm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBattery:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1 × AAA (included)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAutomatic Shut-Off:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e After 10 minutes of inactivity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhat's Included?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHanna HI772 Marine Alkalinity Checker HC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAlkalinity reagents for 25 tests\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 glass cuvettes with caps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 mL syringe with tip\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 AAA battery\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInstruction manual and quick-start guide\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Is Alkalinity Important in a Reef Aquarium?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMaintaining stable alkalinity is essential for successful reef keeping. Corals consume alkalinity as they grow and build their calcium carbonate skeletons, meaning levels can gradually decrease over time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRegular testing allows you to identify changes early and make appropriate adjustments to your dosing routine. Consistency is particularly important in reef aquariums containing demanding stony corals such as SPS and LPS.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Choose Hanna?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Hanna HI772 is an excellent investment for reef keepers looking to take control of their aquarium's water chemistry. Rather than relying on subjective colour comparisons, you get a clear digital reading that makes tracking alkalinity levels simple and convenient.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mediray","offers":[{"title":"Default Title","offer_id":67694550253645,"sku":null,"price":169.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/BlueHannaMarineAlkalinityChecker.png?v=1792016055"},{"product_id":"hanna-marine-high-range-nitrate-checker-hc-hi782","title":"Hanna Marine High Range Nitrate Checker HC – HI782","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHanna Marine High Range Nitrate Checker HC (HI782)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e makes monitoring nitrate levels in your saltwater aquarium easier and more reliable. Designed specifically for marine aquariums and reef tanks, this digital handheld colorimeter delivers accurate nitrate measurements directly in parts per million (ppm), eliminating the guesswork of traditional colour-matching test kits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNitrate is one of the most important nutrients to monitor in a marine aquarium. While some nitrate is beneficial for coral health, excessive levels can contribute to unwanted algae growth and negatively impact sensitive corals. The Hanna HI782 allows you to accurately track nitrate levels, helping you maintain a balanced and healthy aquarium environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDigital Nitrate Testing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Displays nitrate readings directly in ppm, removing the guesswork of traditional colour charts.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh Range Measurement\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Tests nitrate concentrations from 0.0 to 75.0 ppm, ideal for a wide variety of marine aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Saltwater Aquariums\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Perfect for reef tanks, coral aquariums and fish-only marine systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAccurate \u0026amp; Reliable\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Measures nitrate with a resolution of 0.1 ppm for consistent monitoring.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSimple One-Button Operation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Straightforward testing suitable for beginners and experienced reef keepers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSupports Nutrient Management\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Helps monitor nitrate levels and make informed adjustments to feeding, filtration and nutrient export.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e10 Tests Included\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Supplied with starter reagents for 10 tests.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReplaceable Reagents\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Compatible with Hanna HI782-25 Marine High Range Nitrate Reagents.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e HI782\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Parameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Nitrate (NO₃⁻)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMeasurement Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.0–75.0 ppm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eResolution:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.1 ppm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAccuracy:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ±2.0 ppm ±5% of reading at 25°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Zinc Reduction Colorimetric Method\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLight Source:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e LED at 525 nm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBattery:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1 × AAA (included)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAutomatic Shut-Off:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e After 10 minutes of inactivity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhat's Included?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHanna HI782 Marine High Range Nitrate Checker HC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMarine nitrate high range reagents for 10 tests\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 sample cuvettes with caps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e3 mL Pasteur pipette\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 AAA battery\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInstruction manual\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProtective storage case\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Is Nitrate Important in a Reef Aquarium?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNitrate plays an important role in the overall nutrient balance of a marine aquarium. Corals and other organisms require nutrients to thrive, but elevated nitrate levels can encourage nuisance algae and potentially affect coral health.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRegular nitrate testing allows you to monitor nutrient trends, evaluate the effectiveness of your filtration and make informed decisions about feeding, water changes and nutrient management.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh Range vs Low Range – Which Hanna Checker Should You Choose?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHanna HI782 High Range Nitrate Checker\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e measures nitrate between 0.0 and 75.0 ppm, making it an excellent all-round choice for most marine aquarium hobbyists.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor reef keepers who need greater precision at extremely low nitrate concentrations, the Hanna HI781 Low Range Nitrate Checker may be a better option.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Choose Hanna?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHanna Instruments has become a favourite among reef keepers for its convenient digital water testing equipment. The HI782 makes nitrate testing straightforward, helping you spend less time interpreting colour charts and more time enjoying your aquarium.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mediray","offers":[{"title":"Default Title","offer_id":67694639415373,"sku":null,"price":169.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/HannaMarineHighRangeNitrateChecker_HC-HI782.png?v=1792016458"},{"product_id":"hanna-marine-phosphorus-ultra-low-range-checker-reagents-hi736-25","title":"Hanna Marine Phosphorus Ultra Low Range Checker Reagents – HI736-25","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eKeep your reef aquarium water testing accurate and reliable with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHanna Marine Phosphorus Ultra Low Range Checker Reagents (HI736-25)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Specially designed for the Hanna HI736 Phosphorus ULR Checker, these replacement reagents provide everything needed to perform 25 phosphorus tests in your saltwater aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMonitoring phosphorus is essential for maintaining healthy nutrient levels in a reef tank. Excessive phosphorus can contribute to unwanted algae growth and interfere with coral calcification, making regular testing particularly important for SPS and LPS coral systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e25 Tests Per Pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Contains 25 individually packaged reagent sachets for convenient phosphorus testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Hanna HI736\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Specifically formulated for the Hanna Marine Phosphorus Ultra Low Range Checker HC.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUltra Low Range Testing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for measuring phosphorus concentrations between 0 and 200 ppb.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePre-Measured Reagents\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Convenient powder sachets eliminate the need to measure chemicals manually.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReliable Results\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Manufactured using high-purity chemicals for consistent testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBatch Traceability\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Each packet features a lot number and expiration date.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIdeal for Reef Aquariums\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Perfect for monitoring nutrient levels in marine aquariums containing sensitive corals.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hanna Instruments\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Code:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e HI736-25\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eParameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Phosphorus (P)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 25 reagent packets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompatible Checker:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hanna HI736\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0–200 ppb phosphorus\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ascorbic Acid Colorimetric Method\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSuitable For:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Marine and reef aquariums\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Regular Phosphorus Testing Matters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePhosphorus is closely related to phosphate, one of the key nutrients reef keepers monitor to maintain healthy coral growth and prevent nuisance algae.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Hanna HI736 measures phosphorus in parts per billion (ppb), providing excellent sensitivity for low-nutrient reef systems. Results can also be converted to phosphate concentrations if required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRegular testing helps you track nutrient trends, evaluate your filtration system and maintain stable water parameters.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Compatibility Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThese reagents are designed for the Hanna HI736 Phosphorus Ultra Low Range Checker only.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e They are not interchangeable with the reagents used by the Hanna HI774 Phosphate ULR Checker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This product contains replacement reagents for 25 tests. The Hanna Checker testing device is sold separately.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mediray","offers":[{"title":"Default Title","offer_id":67694677295181,"sku":null,"price":38.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/HannaMarinePhosphorusUltraLowRangeCheckerReagents_HI736-25.png?v=1792018210"},{"product_id":"hanna-marine-high-range-nitrate-reagents-hi782-25","title":"Hanna Marine High Range Nitrate Reagents - HI782-25","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eKeep your marine aquarium water testing accurate and consistent with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHanna Marine High Range Nitrate Checker Reagents (HI782-25)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Designed specifically for the Hanna HI782 Marine Nitrate High Range Checker, these genuine replacement reagents provide everything you need to perform 25 nitrate tests in your saltwater aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMonitoring nitrate is essential for maintaining a healthy reef aquarium. While nitrate is an important nutrient for coral growth, excessive levels can contribute to unwanted algae and poor coral health. Regular testing helps you maintain balanced nutrient levels and keep your marine aquarium thriving.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e25 Tests Per Pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Includes 25 pre-measured reagent sachets for convenient nitrate testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Hanna HI782\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Specifically formulated for the Hanna Marine High Range Nitrate Checker HC.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh Range Testing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for measuring nitrate concentrations between 0.0 and 75.0 ppm when used with the HI782 Checker.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePre-Measured Reagents\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Convenient powder sachets make testing quick and straightforward.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReliable Results\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Manufactured using high-purity chemicals to support accurate and consistent measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBatch Traceability\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Reagent packets are marked with lot numbers and expiration dates.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIdeal for Reef Aquariums\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Perfect for monitoring nitrate levels in marine fish and coral systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hanna Instruments\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Code:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e HI782-25\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Parameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Nitrate (NO₃⁻)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 25 tests\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompatible Checker:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hanna HI782 Marine Nitrate High Range Checker\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMeasurement Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.0–75.0 ppm nitrate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Zinc Reduction Colorimetric Method\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSuitable For:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Saltwater and reef aquariums\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Is Regular Nitrate Testing Important?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNitrate is one of the key nutrients to monitor in any saltwater aquarium. Maintaining appropriate nitrate levels supports healthy coral growth and helps prevent excessive nuisance algae.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRegular testing allows you to identify nutrient changes early, monitor the effectiveness of your filtration system and make informed adjustments to feeding, water changes and nutrient export.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Hanna HI782 Checker provides easy-to-read digital nitrate measurements, making it an excellent choice for reef keepers wanting to monitor their water parameters consistently.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Compatibility Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThese reagents are specifically designed for the Hanna HI782 Marine High Range Nitrate Checker.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e They are not interchangeable with reagents used by the Hanna HI781 Low Range Nitrate Checker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This product contains replacement reagents for 25 tests. The Hanna HI782 Checker testing device is sold separately.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mediray","offers":[{"title":"Default Title","offer_id":67694732378189,"sku":null,"price":68.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/HannaMarineHighRangeNitrateReagents-HI782-25.png?v=1792018538"},{"product_id":"hanna-marine-ultra-low-range-phosphate-reagents-hc-hi774-25","title":"Hanna Marine Ultra Low Range Phosphate Reagents HC - HI774-25","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eKeep your reef aquarium water testing accurate and consistent with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHanna Marine Ultra Low Range Phosphate Checker Reagents (HI774-25)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Designed specifically for the Hanna HI774 Phosphate ULR Checker, these genuine replacement reagents provide everything you need to perform 25 phosphate tests in your saltwater aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePhosphate is one of the most important nutrients to monitor in a reef tank. While small amounts are essential for coral health, excessive phosphate can contribute to unwanted algae growth and interfere with coral skeletal development. Regular testing helps you maintain balanced nutrient levels and a healthy marine aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e25 Tests Per Pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Includes 25 individually packaged reagent sachets for convenient phosphate testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Hanna HI774\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Specifically formulated for the Hanna Marine Ultra Low Range Phosphate Checker HC.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUltra Low Range Testing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for measuring phosphate concentrations between 0.00 and 0.90 ppm when used with the HI774 Checker.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePre-Measured Reagents\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Convenient powder sachets make testing straightforward without manually measuring chemicals.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReliable Results\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Manufactured using high-purity chemicals to support accurate and consistent measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBatch Traceability\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Each reagent packet is marked with a lot number and expiration date.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIdeal for Reef Aquariums\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Perfect for monitoring phosphate levels in marine systems containing SPS, LPS and soft corals.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hanna Instruments\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Code:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e HI774-25\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Parameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Phosphate (PO₄³⁻)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 25 tests\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompatible Checker:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hanna HI774 Marine Phosphate Ultra Low Range Checker HC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMeasurement Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.00–0.90 ppm phosphate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ascorbic Acid Colorimetric Method\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSuitable For:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Saltwater and reef aquariums\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Is Regular Phosphate Testing Important?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMaintaining stable phosphate levels is an essential part of successful reef keeping. Excessive phosphate can encourage nuisance algae growth and negatively affect coral calcification, while levels that are too low can also be detrimental to coral health.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRegular testing allows you to monitor nutrient trends, evaluate the effectiveness of phosphate-removing media and make informed adjustments to feeding, filtration and nutrient export.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Hanna HI774 Checker provides easy-to-read digital phosphate measurements, making it an excellent choice for reef keepers who want greater control over their aquarium's water chemistry.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Compatibility Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThese reagents are specifically designed for the Hanna HI774 Marine Ultra Low Range Phosphate Checker.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e They are not interchangeable with reagents used by the Hanna HI736 Phosphorus Ultra Low Range Checker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This product contains replacement reagents for 25 tests. The Hanna HI774 Checker testing device is sold separately.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mediray","offers":[{"title":"Default Title","offer_id":67694737195085,"sku":null,"price":38.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/HannaMarineUltraLowRangePhosphateReagentsHC-HI774-25.png?v=1792020648"},{"product_id":"hanna-marine-alkalinity-reagents-hc-hi772-26","title":"Hanna Marine Alkalinity Reagents HC - HI772-26","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eKeep your reef aquarium water testing accurate and consistent with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHanna Marine Alkalinity Checker Reagents (HI772-26)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Specifically designed for the Hanna HI772 Marine Alkalinity Checker, these genuine replacement reagents provide enough solution for 25 alkalinity tests, helping you maintain stable water chemistry in your saltwater aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlkalinity, also known as carbonate hardness (dKH), is one of the most important parameters to monitor in a reef tank. It plays a crucial role in maintaining stable pH levels and supporting healthy coral skeletal growth. Regular testing helps you track alkalinity consumption and make informed adjustments to your aquarium's dosing routine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e25 Tests Per Pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Contains sufficient liquid reagent for 25 marine alkalinity tests.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Hanna HI772\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Specifically formulated for the Hanna Marine Alkalinity (dKH) Checker HC.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEasy-to-Use Liquid Reagent\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Pre-prepared solution makes regular alkalinity testing quick and convenient.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAccurate Digital Testing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Enables the HI772 Checker to measure alkalinity directly in dKH.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Purity Chemicals\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Manufactured to Hanna Instruments' quality standards for reliable testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWide Testing Range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for measuring alkalinity between 0.0 and 20.0 dKH when used with the compatible Checker.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIdeal for Reef Aquariums\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Perfect for marine systems containing SPS, LPS and soft corals.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hanna Instruments\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Code:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e HI772-26\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Parameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Marine Alkalinity \/ Carbonate Hardness (dKH)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 25 tests\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReagent Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Liquid\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompatible Checker:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hanna HI772 Marine Alkalinity Checker HC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMeasurement Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.0–20.0 dKH\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Colorimetric\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSuitable For:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Saltwater and reef aquariums\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Is Regular Alkalinity Testing Important?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMaintaining stable alkalinity is essential for successful reef keeping, particularly in aquariums containing growing stony corals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAs corals build their calcium carbonate skeletons, they consume alkalinity from the surrounding water. Without regular monitoring and supplementation, alkalinity levels can gradually decrease, potentially affecting coral growth and overall reef stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRegular testing allows you to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMonitor daily alkalinity consumption.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFine-tune calcium reactor or dosing pump settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIdentify changes in water chemistry before they become problematic.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaintain consistent conditions for healthy coral growth.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe Hanna HI772 Checker provides clear digital readings, making it easy to monitor your reef aquarium's alkalinity without relying on traditional colour-matching charts.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Compatibility Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThese reagents are designed for use with the Hanna HI772 Marine Alkalinity (dKH) Checker HC.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e They are also compatible with the Hanna HI755 Marine Alkalinity Checker, which displays results in ppm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This product contains replacement liquid reagents for 25 tests. The Hanna Checker testing device is sold separately.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mediray","offers":[{"title":"Default Title","offer_id":67694740766797,"sku":null,"price":38.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/HannaMarineAlkalinityReagentsHC-HI772-26.png?v=1792020812"},{"product_id":"hanna-marine-phosphate-reagents-hc-hi713-25","title":"Hanna Marine Phosphate Reagents HC - HI713-25","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eKeep your aquarium water testing accurate and consistent with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHanna Phosphate Low Range Checker Reagents (HI713-25)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Specifically designed for the Hanna HI713 Phosphate Checker HC, these genuine replacement reagents provide everything you need to perform 25 phosphate tests, helping you monitor nutrient levels and maintain a healthy aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePhosphate is an important water parameter in both freshwater and marine aquariums. While small amounts are essential for plant and coral growth, excessive phosphate can contribute to unwanted algae growth and negatively impact water quality. Regular phosphate testing helps you maintain balanced nutrient levels and identify potential issues early.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e25 Tests Per Pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Includes 25 individually packaged reagent sachets for convenient phosphate testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Hanna HI713\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Specifically formulated for the Hanna Phosphate Low Range Checker HC.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLow Range Testing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for measuring phosphate concentrations between 0.00 and 2.50 ppm when used with the HI713 Checker.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePre-Measured Reagents\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Convenient powder sachets eliminate the need to measure chemicals manually.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReliable Results\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Manufactured using high-purity chemicals for consistent phosphate measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBatch Traceability\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Each reagent packet is marked with a lot number and expiration date.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFreshwater \u0026amp; Marine Applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for monitoring phosphate levels in aquariums and other water-testing applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hanna Instruments\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Code:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e HI713-25\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Parameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Phosphate (PO₄³⁻)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 25 tests\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReagent Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Powder sachets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompatible Checker:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hanna HI713 Phosphate Low Range Checker HC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMeasurement Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.00–2.50 ppm phosphate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTesting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ascorbic Acid Colorimetric Method\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSuitable For:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Freshwater and saltwater testing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Is Regular Phosphate Testing Important?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePhosphate is one of the key nutrients to monitor when maintaining a healthy aquarium. Excessive phosphate can encourage nuisance algae growth, while insufficient phosphate can limit the growth of aquatic plants and corals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRegular testing allows you to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMonitor phosphate concentrations and nutrient trends.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEvaluate the effectiveness of phosphate-removing filter media.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIdentify changes caused by feeding, waste and nutrient accumulation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMake informed adjustments to aquarium maintenance and filtration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eWhen used with the Hanna HI713 Checker, these reagents provide convenient digital phosphate measurements, eliminating the need to interpret traditional colour charts.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Compatibility Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThese reagents are specifically designed for the Hanna HI713 Phosphate Low Range Checker HC.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e They are not interchangeable with the Hanna HI774 Phosphate Ultra Low Range Checker or HI736 Phosphorus Ultra Low Range Checker reagents.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor reef aquariums requiring greater precision at extremely low phosphate concentrations, we recommend considering the Hanna HI774 Ultra Low Range Phosphate Checker instead.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This product contains replacement reagents for 25 tests. The Hanna Checker testing device is sold separately.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mediray","offers":[{"title":"Default Title","offer_id":67694764326989,"sku":null,"price":38.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/HannaMarinePhosphateReagentsHC-HI713-25.png?v=1792021211"}],"url":"https:\/\/simplyfish.co.nz\/collections\/marine-aquarium-water-testing.oembed","provider":"Simply Fish","version":"1.0","type":"link"}