{"title":"Hanna Instruments – Aquarium Water Testing","description":"\u003cp\u003eTake the guesswork out of aquarium water testing with Hanna Instruments, a leading name in precision digital testing equipment. Renowned for their accuracy, reliability and ease of use, Hanna Checkers provide quick, easy-to-read results without the hassle of traditional colour-matching test kits.\u003c\/p\u003e","products":[{"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\/hanna-instruments.oembed","provider":"Simply Fish","version":"1.0","type":"link"}