{"title":"Pond Filters","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eShop pond filters online in New Zealand from Simply Fish. Pond filtration helps remove waste and debris from the water while providing biological filtration to support healthier pond conditions.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eChoosing the right pond filter depends on your pond volume, fish load and the amount of waste entering the system. Ponds with fish generally require stronger filtration than decorative water features, particularly during the warmer months when feeding and fish activity increase.\u003c\/p\u003e","products":[{"product_id":"pond-one-claritec-uv-c-pressurised-filter","title":"Pond One ClariTec UV-C Pressurised Filter","description":"\u003ch1\u003ePond One ClariTec UV-C Pressurised Pond Filter\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003ePond One ClariTec UV-C Pressurised Filter\u003c\/strong\u003e combines mechanical and biological pond filtration with an integrated UV-C clarifier in one complete unit.\u003c\/p\u003e\n\u003cp\u003eRather than buying a separate pond filter and UV clarifier, the ClariTec gives you both in a single system designed for garden ponds and outdoor fish ponds.\u003c\/p\u003e\n\u003cp\u003eWater is pumped through the ClariTec, where filter media captures waste and provides biological filtration while the integrated UV-C helps control the free-floating algae responsible for green pond water.\u003c\/p\u003e\n\u003cp\u003eSimply Fish stocks four sizes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClariTec 3000 UV – 9W\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClariTec 5000 UV – 9W\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClariTec 10000 UV – 13W\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClariTec 15000 UV – 13W\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe important part is choosing the model based on \u003cstrong\u003eyour fish load, sunlight and actual pump flow\u003c\/strong\u003e, rather than simply matching the number on the filter to the litres in your pond.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose a ClariTec?\u003c\/h2\u003e\n\u003cp\u003eThe ClariTec makes sense when you want:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical pond filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBiological pond filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated UV-C clarification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelp controlling green pond water\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge internal filter-media capacity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA single filtration unit rather than separate filter and UV units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple sizes for different pond requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplaceable filter media and spare parts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt's particularly useful for Goldfish ponds and other outdoor fish ponds where waste production is higher than in a decorative water feature with very few fish.\u003c\/p\u003e\n\u003ch2\u003eWhat Does the Filter Actually Do?\u003c\/h2\u003e\n\u003cp\u003eThe ClariTec tackles three different parts of pond filtration.\u003c\/p\u003e\n\u003ch3\u003eMechanical Filtration\u003c\/h3\u003e\n\u003cp\u003eFilter sponges physically trap:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFish waste\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlant debris\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFine particles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUneaten food\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuspended organic material\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis helps prevent waste from simply circulating around the pond.\u003c\/p\u003e\n\u003ch3\u003eBiological Filtration\u003c\/h3\u003e\n\u003cp\u003eThe filter media also provides surface area for beneficial bacteria.\u003c\/p\u003e\n\u003cp\u003eThese bacteria form part of the pond's biological filtration system and help process waste produced by fish and decomposing organic material.\u003c\/p\u003e\n\u003cp\u003eThis is why we don't recommend constantly stripping every filter sponge completely clean.\u003c\/p\u003e\n\u003cp\u003eYour filter isn't just catching dirt.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIt's also supporting a living biological system.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eUV-C Clarification\u003c\/h3\u003e\n\u003cp\u003eThe integrated UV-C exposes pond water to ultraviolet light as it passes through the filtration system.\u003c\/p\u003e\n\u003cp\u003eThis is particularly useful for controlling the microscopic free-floating algae responsible for \u003cstrong\u003egreen pond water\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA ClariTec therefore gives you both filtration and UV clarification in the same system.\u003c\/p\u003e\n\u003ch2\u003eWhich ClariTec Size Do I Need?\u003c\/h2\u003e\n\u003cp\u003eThis is the most important section on this page.\u003c\/p\u003e\n\u003cp\u003ePond One gives \u003cstrong\u003ethree different pond-size recommendations for each filter\u003c\/strong\u003e, depending on how demanding the pond is.\u003c\/p\u003e\n\u003ch3\u003eClariTec 3000 UV – 9W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 3,000L\/hr\u003cbr\u003e\u003cstrong\u003eFilter Capacity:\u003c\/strong\u003e 15.5L\u003cbr\u003e\u003cstrong\u003eUV-C:\u003c\/strong\u003e 9W\u003c\/p\u003e\n\u003cp\u003eRecommended pond sizes:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLightly stocked ornamental pond:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e3,000L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTypical pond with plants and average fish stocking:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e1,500L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavily stocked pond or high sunlight exposure:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e750L\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eClariTec 5000 UV – 9W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 5,000L\/hr\u003cbr\u003e\u003cstrong\u003eFilter Capacity:\u003c\/strong\u003e 21.5L\u003cbr\u003e\u003cstrong\u003eUV-C:\u003c\/strong\u003e 9W\u003c\/p\u003e\n\u003cp\u003eRecommended pond sizes:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLightly stocked ornamental pond:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e5,000L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTypical pond with plants and average fish stocking:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e2,500L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavily stocked pond or high sunlight exposure:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e1,200L\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eClariTec 10000 UV – 13W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 10,000L\/hr\u003cbr\u003e\u003cstrong\u003eFilter Capacity:\u003c\/strong\u003e 27.5L\u003cbr\u003e\u003cstrong\u003eUV-C:\u003c\/strong\u003e 13W\u003c\/p\u003e\n\u003cp\u003eRecommended pond sizes:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLightly stocked ornamental pond:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e10,000L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTypical pond with plants and average fish stocking:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e5,000L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavily stocked pond or high sunlight exposure:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e2,500L\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eClariTec 15000 UV – 13W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 15,000L\/hr\u003cbr\u003e\u003cstrong\u003eFilter Capacity:\u003c\/strong\u003e 33.5L\u003cbr\u003e\u003cstrong\u003eUV-C:\u003c\/strong\u003e 13W\u003c\/p\u003e\n\u003cp\u003eRecommended pond sizes:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLightly stocked ornamental pond:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e15,000L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTypical pond with plants and average fish stocking:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e7,500L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavily stocked pond or high sunlight exposure:\u003c\/strong\u003e\u003cbr\u003eUp to approximately \u003cstrong\u003e3,700L\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eClariTec Size Guide\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth align=\"right\"\u003eMax Flow\u003c\/th\u003e\n\u003cth align=\"right\"\u003eTypical Fish Pond\u003c\/th\u003e\n\u003cth align=\"right\"\u003eHeavy Stock \/ High Sun\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eClariTec 3000 UV\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e3,000L\/hr\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1,500L\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e750L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClariTec 5000 UV\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e5,000L\/hr\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2,500L\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1,200L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClariTec 10000 UV\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e10,000L\/hr\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e5,000L\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2,500L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClariTec 15000 UV\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e15,000L\/hr\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e7,500L\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e3,700L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDon't Assume “ClariTec 5000” Means a 5,000L Fish Pond\u003c\/h2\u003e\n\u003cp\u003eThis is probably the biggest mistake we'd like customers to avoid.\u003c\/p\u003e\n\u003cp\u003eA ClariTec 5000 may be suitable for an ornamental pond of around 5,000L with few fish and relatively low sunlight.\u003c\/p\u003e\n\u003cp\u003eThat does \u003cstrong\u003enot\u003c\/strong\u003e mean we'd automatically put the same filter on a heavily stocked 5,000L Goldfish pond.\u003c\/p\u003e\n\u003cp\u003eFish produce waste.\u003c\/p\u003e\n\u003cp\u003eMore fish means:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMore food\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMore faeces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMore ammonia\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMore organic material\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGreater demand on mechanical filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGreater demand on biological filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSunlight also matters because ponds receiving significant direct sun can experience much stronger algae growth.\u003c\/p\u003e\n\u003cp\u003eSo when choosing a filter, tell us:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePond volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApproximate number of fish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFish size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAmount of sunlight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePump being used\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eand we'll help work out which model makes sense.\u003c\/p\u003e\n\u003ch2\u003eExample\u003c\/h2\u003e\n\u003cp\u003eImagine you have a:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2,500L Goldfish pond\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA ClariTec 3000 might sound close because the numbers seem similar.\u003c\/p\u003e\n\u003cp\u003eBut Pond One only rates the ClariTec 3000 for approximately \u003cstrong\u003e1,500L under typical fish-pond conditions\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe ClariTec 5000 is rated around \u003cstrong\u003e2,500L for a typical pond\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAnd if that same 2,500L pond were heavily stocked or receiving lots of sunlight, we'd seriously consider moving up again to the \u003cstrong\u003eClariTec 10000\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis is why pond filtration should be sized around the actual pond rather than the model name.\u003c\/p\u003e\n\u003ch2\u003eWhat Pump Do I Need?\u003c\/h2\u003e\n\u003cp\u003eThe ClariTec does not contain the pump that moves pond water through the filter.\u003c\/p\u003e\n\u003cp\u003eYou'll need a separate pond pump.\u003c\/p\u003e\n\u003cp\u003eSimply Fish stocks options including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/simplyfish.store\/products\/pond-one-pondmaster-mk-ii\"\u003e\u003cstrong\u003ePond One Pondmaster MK II\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/simplyfish.store\/products\/pond-one-mantaray-filter-pump?_pos=3\u0026amp;_sid=f13937831\u0026amp;_ss=r\"\u003e\u003cstrong\u003ePond One MantaRay Filter Pumps\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe important number is the \u003cstrong\u003eactual flow arriving at the ClariTec\u003c\/strong\u003e, not simply the maximum flow printed on the pump box.\u003c\/p\u003e\n\u003cp\u003ePump flow decreases when water has to travel:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eUphill\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThrough long hoses\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThrough narrow hoses\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAround bends\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThrough fittings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThrough filtration equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePond One's Head-Loss Guide\u003c\/h2\u003e\n\u003cp\u003ePond One provides some useful rules of thumb when estimating how much resistance your plumbing creates.\u003c\/p\u003e\n\u003cp\u003eAs a guide:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEvery 1 metre of pipe:\u003c\/strong\u003e\u003cbr\u003eApproximately equivalent to \u003cstrong\u003e10cm additional head height\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReducing the hose diameter by one size:\u003c\/strong\u003e\u003cbr\u003eApproximately equivalent to \u003cstrong\u003e1 metre additional head\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEvery 90° bend:\u003c\/strong\u003e\u003cbr\u003eApproximately equivalent to \u003cstrong\u003e1 metre additional head\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEvery 45° bend:\u003c\/strong\u003e\u003cbr\u003eApproximately equivalent to \u003cstrong\u003e50cm additional head\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is why a pump rated at 5,000L\/hr doesn't necessarily deliver 5,000L\/hr by the time the water actually reaches the filter.\u003c\/p\u003e\n\u003ch2\u003eBigger Hose Is Usually Better\u003c\/h2\u003e\n\u003cp\u003eOne of the easiest ways to unnecessarily reduce pond-pump performance is using hose that's too small.\u003c\/p\u003e\n\u003cp\u003eNarrow hose creates significantly more resistance.\u003c\/p\u003e\n\u003cp\u003eIf your pump and filter support a larger hose diameter, we'd generally favour using it rather than immediately reducing everything down to the smallest hose that physically fits.\u003c\/p\u003e\n\u003cp\u003eThat helps:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePreserve pump flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduce unnecessary resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImprove filtration performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduce the amount of work the pump needs to do\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep the plumbing as simple and unrestricted as practical.\u003c\/p\u003e\n\u003ch2\u003eClariTec vs ClearTec\u003c\/h2\u003e\n\u003cp\u003eThese two Pond One products sound similar but do very different jobs.\u003c\/p\u003e\n\u003ch3\u003ePond One ClearTec\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003estandalone UV-C clarifier\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eChoose ClearTec if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eYou already have a good pond filter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eYou already have a suitable pump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eYou mainly want to add UV-C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGreen water is your primary problem\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePond One ClariTec\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003ecomplete pressurised pond filter with integrated UV-C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eChoose ClariTec if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eYou need pond filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eYou want mechanical filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eYou want biological filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eYou also want UV-C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eYou're setting up or upgrading the main pond filtration system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you've already got excellent filtration and just want UV, buying an entire ClariTec probably isn't necessary.\u003c\/p\u003e\n\u003cp\u003eIf you need both filtration and UV, \u003cstrong\u003eClariTec is the more complete solution.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eWill ClariTec Fix Green Water?\u003c\/h2\u003e\n\u003cp\u003eThe integrated UV-C is designed to help control the microscopic free-floating algae that makes pond water look green.\u003c\/p\u003e\n\u003cp\u003eAs water passes through the unit, the UV-C affects the suspended algae and the filtration system can then help remove that material from the water.\u003c\/p\u003e\n\u003cp\u003eHowever, UV-C isn't a solution for every algae problem.\u003c\/p\u003e\n\u003cp\u003eIt won't simply eliminate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eString algae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHair algae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBlanket weed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlgae growing over rocks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlgae attached to pond liner\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlgae growing on waterfalls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ebecause that attached algae isn't travelling through the UV chamber.\u003c\/p\u003e\n\u003cp\u003eIf your pond looks like green soup, UV-C is particularly relevant.\u003c\/p\u003e\n\u003cp\u003eIf you've got long strings of algae attached to everything, that's a different problem.\u003c\/p\u003e\n\u003ch2\u003eWhy Is My Pond Green?\u003c\/h2\u003e\n\u003cp\u003eCommon contributors include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eStrong sunlight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh nutrient levels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOverfeeding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy fish stocking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFish waste\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDecaying leaves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSludge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInsufficient filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLimited plant competition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePoor pond maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClariTec can deal with filtration and free-floating algae, but we'd still address the wider pond environment.\u003c\/p\u003e\n\u003cp\u003eDon't install a $700 filter and then keep dumping enormous amounts of food into an overloaded pond full of rotting leaves.\u003c\/p\u003e\n\u003ch2\u003eHow Do I Set It Up?\u003c\/h2\u003e\n\u003cp\u003eA basic system looks like:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePond → Pump → ClariTec → Return to Pond\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe exact layout depends on your pond and plumbing.\u003c\/p\u003e\n\u003cp\u003eBasic installation:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eWork out your pond volume.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChoose the appropriate ClariTec.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChoose a suitable pump.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePosition the filter securely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnect the pump to the filter inlet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse appropriately sized pond hose.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeep hose runs as short and direct as practical.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvoid unnecessary bends.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnect the filter outlet back to the pond.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStart the pump.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCheck all plumbing carefully for leaks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirm good water flow through the system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperate the UV-C according to Pond One's instructions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eWhere Should I Put It?\u003c\/h2\u003e\n\u003cp\u003ePosition the filter somewhere:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eStable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAccessible for maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClose enough to minimise unnecessary hose length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhere plumbing can be routed safely\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhere water returning from the filter can easily reach the pond\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDon't bury or position the filter somewhere that turns routine maintenance into a major excavation project.\u003c\/p\u003e\n\u003cp\u003eIf servicing the filter is annoying, there's a good chance it won't get serviced often enough.\u003c\/p\u003e\n\u003ch2\u003eHow Often Should I Clean It?\u003c\/h2\u003e\n\u003cp\u003eThere isn't one perfect schedule.\u003c\/p\u003e\n\u003cp\u003eMaintenance depends heavily on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFish numbers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFish size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFeeding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePond plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLeaves and debris\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSeason\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFilter size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePump flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDuring spring and summer, a heavily stocked pond may load the filter considerably faster than a lightly stocked ornamental pond.\u003c\/p\u003e\n\u003cp\u003eSigns it may need attention include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReduced flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcessive waste buildup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDirty filter media\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDeclining water clarity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreasing pressure\/restriction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePoor overall filtration performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDon't wait until virtually no water is moving through it.\u003c\/p\u003e\n\u003ch2\u003eDon't Sterilise All the Filter Media\u003c\/h2\u003e\n\u003cp\u003eWhen cleaning the ClariTec, remember that the filter media isn't just collecting dirt.\u003c\/p\u003e\n\u003cp\u003eIt also supports beneficial bacteria.\u003c\/p\u003e\n\u003cp\u003eOur goal is:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRemove excessive waste while preserving established biological filtration.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAvoid repeatedly cleaning every piece of media until it looks factory-new.\u003c\/p\u003e\n\u003cp\u003eAnd don't replace every filter sponge at the same time unless there's a specific reason.\u003c\/p\u003e\n\u003cp\u003ePond One sells replacement ClariTec sponges, so individual media can be replaced when genuinely worn or required.\u003c\/p\u003e\n\u003ch2\u003eIf You've Cleaned the Filter Heavily\u003c\/h2\u003e\n\u003cp\u003eIf you've significantly cleaned or replaced biological filter media, we'd keep a closer eye on water quality afterward.\u003c\/p\u003e\n\u003cp\u003eProducts such as \u003ca href=\"https:\/\/simplyfish.store\/products\/pond-stability-500ml\"\u003e\u003cstrong\u003ePond Stability\u003c\/strong\u003e\u003c\/a\u003e can also be used to help establish biological filtration in new or disrupted pond systems.\u003c\/p\u003e\n\u003cp\u003eBut bacteria products don't replace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAppropriate filter sizing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGood water flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSensible stocking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWater testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRegular maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDoes the UV-C Bulb Need Replacing?\u003c\/h2\u003e\n\u003cp\u003eYes.\u003c\/p\u003e\n\u003cp\u003eUV-C lamps gradually lose useful UV output with operating time.\u003c\/p\u003e\n\u003cp\u003eA lamp may still visibly illuminate while producing less effective UV-C than when it was new.\u003c\/p\u003e\n\u003cp\u003eSo if the filter is mechanically clean and flowing properly but green-water control has become noticeably weaker, check:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eUV lamp age\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUV operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuartz sleeve cleanliness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePump flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePond conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003erather than immediately assuming you need a larger filter.\u003c\/p\u003e\n\u003ch2\u003eClean the UV Quartz Sleeve\u003c\/h2\u003e\n\u003cp\u003eThe UV lamp is separated from the pond water by a protective quartz sleeve.\u003c\/p\u003e\n\u003cp\u003eOver time that sleeve can develop:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSlime\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMineral deposits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlgae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFine organic buildup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf enough material accumulates, less UV-C can reach the passing water.\u003c\/p\u003e\n\u003cp\u003eInspect and clean the sleeve periodically according to Pond One's maintenance instructions.\u003c\/p\u003e\n\u003ch2\u003eDo I Still Need Water Changes?\u003c\/h2\u003e\n\u003cp\u003eYes.\u003c\/p\u003e\n\u003cp\u003eA good filter does not turn your pond into a completely closed ecosystem requiring no maintenance.\u003c\/p\u003e\n\u003cp\u003eFiltration helps process and capture waste, but nutrients can still accumulate.\u003c\/p\u003e\n\u003cp\u003eDepending on the pond, ongoing maintenance may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePartial water changes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemoving leaves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemoving sludge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTrimming plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCleaning pumps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCleaning filter media\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMonitoring fish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControlling feeding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThink of the ClariTec as a major part of pond maintenance — not a replacement for maintenance.\u003c\/p\u003e\n\u003ch2\u003eSimply Fish Recommends\u003c\/h2\u003e\n\u003cp\u003eThe ClariTec is exactly the kind of pond product where \u003cstrong\u003egoing purely by the model name gets people into trouble\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIf you tell us:\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e“I've got a 5,000L Goldfish pond, so I'll grab the ClariTec 5000.”\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003eour next question is going to be:\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e“How many fish are in it?”\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003eFor a lightly stocked ornamental pond, that may be fine.\u003c\/p\u003e\n\u003cp\u003eFor an average fish pond, Pond One rates the ClariTec 5000 for approximately \u003cstrong\u003e2,500L\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a heavily stocked or high-sun pond, that rating drops to only about \u003cstrong\u003e1,200L\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThat difference is huge.\u003c\/p\u003e\n\u003cp\u003eOur preference with pond filtration is to give ourselves \u003cstrong\u003esome headroom\u003c\/strong\u003e rather than buying a filter that's already working at the absolute limit from day one.\u003c\/p\u003e\n\u003cp\u003eFish grow.\u003c\/p\u003e\n\u003cp\u003ePeople add more fish.\u003c\/p\u003e\n\u003cp\u003eThey feed more in summer.\u003c\/p\u003e\n\u003cp\u003eLeaves fall into the pond.\u003c\/p\u003e\n\u003cp\u003eThe pond rarely becomes cleaner and less demanding over time.\u003c\/p\u003e\n\u003cp\u003eSo if you're sitting between two models, we'd generally lean toward the larger filtration system.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eClariTec 3000 UV\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 3,000L\/hr\u003cbr\u003e\u003cstrong\u003eUV-C Power:\u003c\/strong\u003e 9W\u003cbr\u003e\u003cstrong\u003eFilter Volume:\u003c\/strong\u003e 15.5L\u003cbr\u003e\u003cstrong\u003eFilter Height:\u003c\/strong\u003e 35cm\u003cbr\u003e\u003cstrong\u003eFilter Diameter:\u003c\/strong\u003e 39cm\u003cbr\u003e\u003cstrong\u003eConnections:\u003c\/strong\u003e 19–37mm \/ ¾\"–1½\"\u003cbr\u003e\u003cstrong\u003eUV Cable:\u003c\/strong\u003e 10m\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Pond Size:\u003c\/strong\u003e\u003cbr\u003eLight ornamental: 3,000L\u003cbr\u003eTypical fish pond: 1,500L\u003cbr\u003eHeavy stocking\/high sun: 750L\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eClariTec 5000 UV\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 5,000L\/hr\u003cbr\u003e\u003cstrong\u003eUV-C Power:\u003c\/strong\u003e 9W\u003cbr\u003e\u003cstrong\u003eFilter Volume:\u003c\/strong\u003e 21.5L\u003cbr\u003e\u003cstrong\u003eFilter Height:\u003c\/strong\u003e 46cm\u003cbr\u003e\u003cstrong\u003eFilter Diameter:\u003c\/strong\u003e 39cm\u003cbr\u003e\u003cstrong\u003eConnections:\u003c\/strong\u003e 19–37mm \/ ¾\"–1½\"\u003cbr\u003e\u003cstrong\u003eUV Cable:\u003c\/strong\u003e 10m\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Pond Size:\u003c\/strong\u003e\u003cbr\u003eLight ornamental: 5,000L\u003cbr\u003eTypical fish pond: 2,500L\u003cbr\u003eHeavy stocking\/high sun: 1,200L\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eClariTec 10000 UV\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 10,000L\/hr\u003cbr\u003e\u003cstrong\u003eUV-C Power:\u003c\/strong\u003e 13W\u003cbr\u003e\u003cstrong\u003eFilter Volume:\u003c\/strong\u003e 27.5L\u003cbr\u003e\u003cstrong\u003eFilter Height:\u003c\/strong\u003e 56cm\u003cbr\u003e\u003cstrong\u003eFilter Diameter:\u003c\/strong\u003e 39cm\u003cbr\u003e\u003cstrong\u003eConnections:\u003c\/strong\u003e 19–37mm \/ ¾\"–1½\"\u003cbr\u003e\u003cstrong\u003eUV Cable:\u003c\/strong\u003e 10m\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Pond Size:\u003c\/strong\u003e\u003cbr\u003eLight ornamental: 10,000L\u003cbr\u003eTypical fish pond: 5,000L\u003cbr\u003eHeavy stocking\/high sun: 2,500L\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eClariTec 15000 UV\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 15,000L\/hr\u003cbr\u003e\u003cstrong\u003eUV-C Power:\u003c\/strong\u003e 13W\u003cbr\u003e\u003cstrong\u003eFilter Volume:\u003c\/strong\u003e 33.5L\u003cbr\u003e\u003cstrong\u003eFilter Height:\u003c\/strong\u003e 66cm\u003cbr\u003e\u003cstrong\u003eFilter Diameter:\u003c\/strong\u003e 39cm\u003cbr\u003e\u003cstrong\u003eConnections:\u003c\/strong\u003e 19–37mm \/ ¾\"–1½\"\u003cbr\u003e\u003cstrong\u003eUV Cable:\u003c\/strong\u003e 10m\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Pond Size:\u003c\/strong\u003e\u003cbr\u003eLight ornamental: 15,000L\u003cbr\u003eTypical fish pond: 7,500L\u003cbr\u003eHeavy stocking\/high sun: 3,700L\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the Pond One ClariTec?\u003c\/strong\u003e\u003cbr\u003eIt is a pressurised pond filtration system combining filter media with an integrated UV-C clarifier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include UV-C?\u003c\/strong\u003e\u003cbr\u003eYes. All four Simply Fish ClariTec variants include UV-C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include filter media?\u003c\/strong\u003e\u003cbr\u003eYes. Pond One supplies filter media with the ClariTec.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include a pond pump?\u003c\/strong\u003e\u003cbr\u003eNo. You need a suitable separate pump to move water through the filter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich ClariTec do I need for a 2,500L pond?\u003c\/strong\u003e\u003cbr\u003eIt depends on stocking and sunlight. Pond One rates the ClariTec 5000 at around 2,500L for a typical pond, while a heavily stocked 2,500L pond may justify moving to the ClariTec 10000.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it with Goldfish?\u003c\/strong\u003e\u003cbr\u003eYes. When keeping fish, use Pond One's typical or heavily stocked pond ratings rather than simply using the maximum ornamental-pond rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes ClariTec help green water?\u003c\/strong\u003e\u003cbr\u003eYes. The integrated UV-C is designed to help control suspended green-water algae.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it remove string algae?\u003c\/strong\u003e\u003cbr\u003eNot directly. Attached algae doesn't normally pass through the UV chamber.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClariTec or ClearTec?\u003c\/strong\u003e\u003cbr\u003eClariTec provides filtration plus UV-C. \u003ca href=\"https:\/\/simplyfish.store\/products\/pond-one-cleartec\"\u003eClearTec\u003c\/a\u003e is a standalone UV-C clarifier for ponds that already have suitable filtration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat pump should I use?\u003c\/strong\u003e\u003cbr\u003eMatch the pump's actual delivered flow to the requirements and maximum flow of the selected ClariTec. Allow for head height, hose length, bends and hose diameter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the pump be too powerful?\u003c\/strong\u003e\u003cbr\u003eYes. Don't exceed the filter's specified maximum flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does my pump deliver less flow than the number on the box?\u003c\/strong\u003e\u003cbr\u003eHead height, long plumbing, narrow hose and bends all create resistance and reduce actual flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I clean the filter?\u003c\/strong\u003e\u003cbr\u003eAs required based on fish load, feeding and debris accumulation. Reduced flow and heavy waste buildup are good indicators.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I replace all the filter sponges when cleaning it?\u003c\/strong\u003e\u003cbr\u003eNo. Replace worn media as required rather than automatically replacing all established biological media at once.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the UV lamp need replacing?\u003c\/strong\u003e\u003cbr\u003eYes. Effective UV-C output declines with operating time even if the lamp can still visibly illuminate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the ClariTec without switching on the UV?\u003c\/strong\u003e\u003cbr\u003eThe filtration and UV perform separate functions. Follow Pond One's instructions for operation and UV use for your particular installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes a ClariTec mean I never need to clean the pond?\u003c\/strong\u003e\u003cbr\u003eNo. You still need sensible feeding, debris removal, pump\/filter maintenance and general pond care.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCheck out our \u003c\/span\u003e\u003ca href=\"https:\/\/simplyfish.store\/blogs\/news\/spring-pond-care-nz\"\u003espring pond care blog post\u003c\/a\u003e\u003cspan\u003e for some helpful tips to get your pond ready for the warmer season!\u003c\/span\u003e\u003c\/p\u003e","brand":"Aqua One","offers":[{"title":"ClariTec UV-C 3000 9W","offer_id":42143092899917,"sku":null,"price":349.99,"currency_code":"NZD","in_stock":true},{"title":"ClariTec UV-C 5000 9W","offer_id":42143092932685,"sku":null,"price":419.99,"currency_code":"NZD","in_stock":false},{"title":"ClariTec UV-C 10000 13W","offer_id":42143092965453,"sku":null,"price":479.99,"currency_code":"NZD","in_stock":true},{"title":"ClariTec UV-C 15000 13W","offer_id":42871451877453,"sku":null,"price":599.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/93046_1.jpg?v=1759282824"},{"product_id":"pond-one-cleartec","title":"Pond One ClearTec","description":"\u003ch1\u003ePond One ClearTec UV-C Pond Clarifier\u003c\/h1\u003e\n\u003cp\u003eThe Pond One ClearTec UV-C is an ultraviolet pond clarifier designed to help control green water caused by free-floating algae.\u003c\/p\u003e\n\u003cp\u003eWater is pumped through the ClearTec unit, where it passes the UV-C lamp before returning to the pond. The UV-C exposure damages microscopic free-floating algae, allowing your pond filtration to remove the affected material more effectively.\u003c\/p\u003e\n\u003cp\u003eIf your pond has gone from clear to green as the weather warms up, a properly sized UV-C clarifier can be one of the most effective tools for getting the water clear again.\u003c\/p\u003e\n\u003cp\u003eAvailable from Simply Fish in \u003cstrong\u003e5W, 9W, 11W and 18W models.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eWhat Is a UV-C Pond Clarifier?\u003c\/h2\u003e\n\u003cp\u003eGreen pond water is usually caused by huge numbers of microscopic algae suspended throughout the water.\u003c\/p\u003e\n\u003cp\u003eBecause the algae is floating rather than attached to a surface, you can't simply scrub it off.\u003c\/p\u003e\n\u003cp\u003eA UV-C clarifier works by continuously passing pond water past an ultraviolet lamp.\u003c\/p\u003e\n\u003cp\u003eThe treated algae can then clump together and be captured more effectively by your pond filtration.\u003c\/p\u003e\n\u003cp\u003eThis is why a UV-C clarifier works best as part of a complete system:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePond → Pump → Filtration \/ UV-C → Pond\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003erather than expecting the UV unit itself to physically remove all the waste from the water.\u003c\/p\u003e\n\u003ch2\u003eWhat Does ClearTec Help With?\u003c\/h2\u003e\n\u003cp\u003eThe ClearTec is particularly useful for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGreen pond water\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFree-floating algae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproving pond water clarity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGarden ponds exposed to significant sunlight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFish ponds where clear water is important\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePond filtration systems needing added UV clarification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat Doesn't a UV-C Clarifier Fix?\u003c\/h2\u003e\n\u003cp\u003eThis is important.\u003c\/p\u003e\n\u003cp\u003eA UV-C clarifier is not a magic solution for every type of algae.\u003c\/p\u003e\n\u003cp\u003eIt works on organisms that actually pass through the UV chamber.\u003c\/p\u003e\n\u003cp\u003eThat means it is particularly effective against:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFree-floating green-water algae\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt will not simply make established:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eString algae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHair algae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBlanket weed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlgae attached to rocks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlgae attached to pond liners\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlgae growing on waterfalls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003edisappear.\u003c\/p\u003e\n\u003cp\u003eThose problems need to be addressed through the wider pond setup, including nutrient levels, sunlight, maintenance, plant growth and physical removal where appropriate.\u003c\/p\u003e\n\u003ch2\u003eWhy Has My Pond Turned Green?\u003c\/h2\u003e\n\u003cp\u003eGreen water often becomes much more noticeable as spring and summer arrive.\u003c\/p\u003e\n\u003cp\u003eCommon contributing factors include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased sunlight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWarmer water\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased fish feeding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreasing fish waste\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOrganic debris\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInsufficient filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLimited aquatic plant growth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh nutrient availability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstalling UV-C can deal very effectively with the symptom — suspended green algae — but we'd still look at why the pond became so nutrient-rich in the first place.\u003c\/p\u003e\n\u003cp\u003eFor the best long-term result, combine good UV clarification with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAppropriate filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGood water movement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSensible fish stocking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControlled feeding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemoval of excessive organic waste\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHealthy pond plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRegular maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhich ClearTec Size Should I Buy?\u003c\/h2\u003e\n\u003cp\u003eSimply Fish currently stocks:\u003c\/p\u003e\n\u003ch3\u003eClearTec 5W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eUV-C Power:\u003c\/strong\u003e 5W\u003cbr\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 1,000L\/hr\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 35.5cm\u003cbr\u003e\u003cstrong\u003eDiameter:\u003c\/strong\u003e 8.1cm\u003cbr\u003e\u003cstrong\u003eHose Connections:\u003c\/strong\u003e ½–1¼\"\u003cbr\u003e\u003cstrong\u003eCable Length:\u003c\/strong\u003e 10m\u003c\/p\u003e\n\u003cp\u003eBest suited to \u003cstrong\u003esmall ponds and low-flow pond filtration systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eClearTec 9W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eUV-C Power:\u003c\/strong\u003e 9W\u003cbr\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 3,000L\/hr\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 35.5cm\u003cbr\u003e\u003cstrong\u003eDiameter:\u003c\/strong\u003e 8.1cm\u003cbr\u003e\u003cstrong\u003eHose Connections:\u003c\/strong\u003e 13–32mm\u003cbr\u003e\u003cstrong\u003eCable Length:\u003c\/strong\u003e 10m\u003c\/p\u003e\n\u003cp\u003eBest suited to smaller to medium pond systems and lower-flow applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eClearTec 11W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eUV-C Power:\u003c\/strong\u003e 11W\u003cbr\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 4,000L\/hr\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 44cm\u003cbr\u003e\u003cstrong\u003eDiameter:\u003c\/strong\u003e 8.5cm\u003cbr\u003e\u003cstrong\u003eHose Connections:\u003c\/strong\u003e 1–1½\"\u003cbr\u003e\u003cstrong\u003eCable Length:\u003c\/strong\u003e 10m\u003c\/p\u003e\n\u003cp\u003eA useful middle-ground option for medium pond systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eClearTec 18W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eUV-C Power:\u003c\/strong\u003e 18W\u003cbr\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 6,000L\/hr\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 44cm\u003cbr\u003e\u003cstrong\u003eDiameter:\u003c\/strong\u003e 8.5cm\u003cbr\u003e\u003cstrong\u003eHose Connections:\u003c\/strong\u003e 1–1½\"\u003cbr\u003e\u003cstrong\u003eCable Length:\u003c\/strong\u003e 10m\u003c\/p\u003e\n\u003cp\u003eBest suited to larger or higher-flow pond filtration systems within the ClearTec models stocked by Simply Fish.\u003c\/p\u003e\n\u003ch2\u003eClearTec Size Guide\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth align=\"right\"\u003eUV-C Power\u003c\/th\u003e\n\u003cth align=\"right\"\u003eMaximum Flow\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eClearTec 5W\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e5W\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1,000L\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClearTec 9W\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e9W\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e3,000L\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClearTec 11W\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e11W\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e4,000L\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClearTec 18W\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e18W\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e6,000L\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDon't Choose the UV Only by Pond Volume\u003c\/h2\u003e\n\u003cp\u003eYour actual water flow through the UV matters.\u003c\/p\u003e\n\u003cp\u003eFor example, if your pond pump is moving approximately 5,000L\/hr through the UV line, choosing a ClearTec model rated for a maximum of only 3,000L\/hr isn't the setup we'd recommend.\u003c\/p\u003e\n\u003cp\u003eThe water needs enough contact time with the UV-C light for the unit to do its job effectively.\u003c\/p\u003e\n\u003cp\u003eWhen choosing a ClearTec, consider:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePond volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eActual pump flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHead-height flow loss\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFilter flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHose diameter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow severe the green-water problem is\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you're unsure, contact Simply Fish with your pond size and pump model and we can help match the equipment.\u003c\/p\u003e\n\u003ch2\u003eClearTec vs Pond Filter\u003c\/h2\u003e\n\u003cp\u003eThese products do different jobs.\u003c\/p\u003e\n\u003ch3\u003ePond Filter\u003c\/h3\u003e\n\u003cp\u003eRemoves physical waste and provides biological filtration.\u003c\/p\u003e\n\u003ch3\u003eClearTec UV-C\u003c\/h3\u003e\n\u003cp\u003eTargets microscopic organisms and free-floating algae as water passes through the UV chamber.\u003c\/p\u003e\n\u003cp\u003eFor green-water problems, using UV-C alongside good pond filtration is much more effective than treating either piece of equipment as a replacement for the other.\u003c\/p\u003e\n\u003ch2\u003eClearTec vs ClariTec\u003c\/h2\u003e\n\u003cp\u003eThis is another important distinction.\u003c\/p\u003e\n\u003ch3\u003eClearTec\u003c\/h3\u003e\n\u003cp\u003eThe ClearTec is a standalone UV-C clarifier.\u003c\/p\u003e\n\u003cp\u003eChoose it if you:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAlready have pond filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlready have a suitable pump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWant to add UV-C to an existing system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMainly need help controlling green water\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClariTec\u003c\/h3\u003e\n\u003cp\u003eThe Pond One ClariTec combines pressurised pond filtration with UV-C in one system.\u003c\/p\u003e\n\u003cp\u003eChoose the ClariTec if you're building or replacing the actual pond filtration system and want filtration and UV-C together.\u003c\/p\u003e\n\u003cp\u003eIf you've already got a good filter and simply want to add UV, we'd generally look at the ClearTec first.\u003c\/p\u003e\n\u003ch2\u003eWhat Pump Do I Need?\u003c\/h2\u003e\n\u003cp\u003eThe ClearTec does not replace your pond pump.\u003c\/p\u003e\n\u003cp\u003eYou need a pump to move water through the UV unit.\u003c\/p\u003e\n\u003cp\u003eChoose the pump based on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRequired filtration flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClearTec maximum flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePond size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHead height\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlumbing resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRemember that the number printed on a pond pump is normally its maximum flow under favourable conditions.\u003c\/p\u003e\n\u003cp\u003eReal flow can decrease once the pump is pushing water through hoses, filters and uphill.\u003c\/p\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eThe ClearTec can be integrated into an existing pond filtration system.\u003c\/p\u003e\n\u003cp\u003eA basic setup may look like:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePond → Pump → Filter → ClearTec → Return\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eor another arrangement appropriate for the equipment you're using.\u003c\/p\u003e\n\u003cp\u003eThe unit includes multiple hose connection options and the outlet can be rotated to make installation easier.\u003c\/p\u003e\n\u003cp\u003eIt can also be mounted securely on a wall or filter box.\u003c\/p\u003e\n\u003cp\u003eWhen installing:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eTurn all equipment off.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePosition the ClearTec securely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnect suitable pond hose.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMake sure hose connections are secure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCheck your pump flow is appropriate.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStart the pump.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCheck carefully for leaks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOnly operate the UV-C according to the manufacturer's instructions once water is flowing correctly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eNever Look Directly at an Operating UV-C Lamp\u003c\/h2\u003e\n\u003cp\u003eUV-C light is powerful.\u003c\/p\u003e\n\u003cp\u003eDo not operate the lamp outside the protective housing or deliberately expose your eyes or skin to UV-C radiation.\u003c\/p\u003e\n\u003cp\u003eAlways follow the manufacturer's safety instructions when maintaining or replacing the lamp.\u003c\/p\u003e\n\u003ch2\u003eDoes the UV Lamp Last Forever?\u003c\/h2\u003e\n\u003cp\u003eNo.\u003c\/p\u003e\n\u003cp\u003eUV lamps gradually lose effective UV output with use even if the lamp still appears to light up.\u003c\/p\u003e\n\u003cp\u003eThat means:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e“The bulb is glowing” does not necessarily mean it is still producing the same useful UV-C output it did when new.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eReplace the UV-C lamp periodically according to the manufacturer's maintenance recommendations and your usage.\u003c\/p\u003e\n\u003cp\u003eSimply Fish also stocks replacement UV lamps for ongoing maintenance.\u003c\/p\u003e\n\u003ch2\u003eClean the Quartz Sleeve\u003c\/h2\u003e\n\u003cp\u003eThe UV lamp is protected from pond water by a quartz sleeve.\u003c\/p\u003e\n\u003cp\u003eOver time, the sleeve can accumulate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMineral deposits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSlime\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlgae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFine dirt\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThat buildup can reduce how effectively UV-C light reaches the passing water.\u003c\/p\u003e\n\u003cp\u003eIf your ClearTec seems less effective than it once was, don't automatically assume you need a bigger unit.\u003c\/p\u003e\n\u003cp\u003eCheck:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eUV lamp age\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuartz sleeve cleanliness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePump flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFilter condition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlumbing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhether the problem is actually free-floating algae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRegular maintenance matters.\u003c\/p\u003e\n\u003ch2\u003eHow Quickly Will It Clear Green Water?\u003c\/h2\u003e\n\u003cp\u003eThere isn't one exact answer.\u003c\/p\u003e\n\u003cp\u003eResults depend on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSeverity of the algae bloom\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePond volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUV size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlow rate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFiltration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePond cleanliness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAmount of sunlight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNutrient levels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe UV isn't physically sucking green colour out of the pond.\u003c\/p\u003e\n\u003cp\u003eThe pond water needs to circulate through the unit repeatedly, and filtration then needs to deal with the affected material.\u003c\/p\u003e\n\u003cp\u003eFor a severe green-water problem, give the complete system time to work rather than expecting the pond to look crystal clear an hour after installation.\u003c\/p\u003e\n\u003ch2\u003eShould I Use Algae Treatment as Well?\u003c\/h2\u003e\n\u003cp\u003eNot automatically.\u003c\/p\u003e\n\u003cp\u003eIf the issue is classic suspended green water and you have a properly sized UV-C system, we'd first make sure:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eUV is operating correctly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlow is appropriate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFiltration is working\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOrganic waste is under control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSimply Fish also stocks pond algae treatments for situations where additional algae control is appropriate, but we'd rather identify the type of algae first than blindly add chemicals to every green-looking pond.\u003c\/p\u003e\n\u003ch2\u003eSimply Fish Recommends\u003c\/h2\u003e\n\u003cp\u003eIf your pond looks like green soup but you can barely see any algae actually attached to the rocks or liner, UV-C is one of the first pieces of equipment we'd look at.\u003c\/p\u003e\n\u003cp\u003eIt's particularly useful during spring and summer when sunlight, feeding and biological activity increase.\u003c\/p\u003e\n\u003cp\u003eBut our biggest advice is:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDon't buy UV-C and ignore the rest of the pond.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf the bottom is full of sludge, the filter is undersized, you're feeding heavily and water movement is poor, a UV clarifier is dealing with one part of a bigger problem.\u003c\/p\u003e\n\u003cp\u003eFor a good pond setup we'd look at:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePump + filtration + UV-C + sensible feeding + maintenance + healthy pond plants\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eworking together.\u003c\/p\u003e\n\u003cp\u003eAnd if you're deciding between ClearTec models, don't simply buy based on wattage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCheck the actual flow through the unit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThat's the number most customers overlook.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eClearTec 5W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eItem Code:\u003c\/strong\u003e 93090\u003cbr\u003e\u003cstrong\u003eWattage:\u003c\/strong\u003e 5W\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 35.5cm\u003cbr\u003e\u003cstrong\u003eDiameter:\u003c\/strong\u003e 8.1cm\u003cbr\u003e\u003cstrong\u003eConnections:\u003c\/strong\u003e ½–1¼\"\u003cbr\u003e\u003cstrong\u003eCable:\u003c\/strong\u003e 10m\u003cbr\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 1,000L\/hr\u003c\/p\u003e\n\u003ch3\u003eClearTec 9W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eItem Code:\u003c\/strong\u003e 93091\u003cbr\u003e\u003cstrong\u003eWattage:\u003c\/strong\u003e 9W\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 35.5cm\u003cbr\u003e\u003cstrong\u003eDiameter:\u003c\/strong\u003e 8.1cm\u003cbr\u003e\u003cstrong\u003eConnections:\u003c\/strong\u003e 13–32mm\u003cbr\u003e\u003cstrong\u003eCable:\u003c\/strong\u003e 10m\u003cbr\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 3,000L\/hr\u003c\/p\u003e\n\u003ch3\u003eClearTec 11W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eItem Code:\u003c\/strong\u003e 93092\u003cbr\u003e\u003cstrong\u003eWattage:\u003c\/strong\u003e 11W\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 44cm\u003cbr\u003e\u003cstrong\u003eDiameter:\u003c\/strong\u003e 8.5cm\u003cbr\u003e\u003cstrong\u003eConnections:\u003c\/strong\u003e 1–1½\"\u003cbr\u003e\u003cstrong\u003eCable:\u003c\/strong\u003e 10m\u003cbr\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 4,000L\/hr\u003c\/p\u003e\n\u003ch3\u003eClearTec 18W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eItem Code:\u003c\/strong\u003e 93093\u003cbr\u003e\u003cstrong\u003eWattage:\u003c\/strong\u003e 18W\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 44cm\u003cbr\u003e\u003cstrong\u003eDiameter:\u003c\/strong\u003e 8.5cm\u003cbr\u003e\u003cstrong\u003eConnections:\u003c\/strong\u003e 1–1½\"\u003cbr\u003e\u003cstrong\u003eCable:\u003c\/strong\u003e 10m\u003cbr\u003e\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 6,000L\/hr\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does the Pond One ClearTec do?\u003c\/h3\u003e\n\u003cp\u003eIt uses UV-C light to help control microscopic free-floating algae responsible for green pond water.\u003c\/p\u003e\n\u003ch3\u003eWill it remove string algae?\u003c\/h3\u003e\n\u003cp\u003eNot directly. String, hair and blanket algae attached to pond surfaces do not normally pass through the UV chamber.\u003c\/p\u003e\n\u003ch3\u003eDoes the ClearTec filter the pond?\u003c\/h3\u003e\n\u003cp\u003eNo. It is a UV-C clarifier rather than a complete mechanical and biological filter. Pair it with appropriate pond filtration.\u003c\/p\u003e\n\u003ch3\u003eDoes it include a pump?\u003c\/h3\u003e\n\u003cp\u003eNo. A suitable pond pump is required to move water through the unit.\u003c\/p\u003e\n\u003ch3\u003eWhich ClearTec should I buy?\u003c\/h3\u003e\n\u003cp\u003eChoose according to pond requirements and particularly the water flow through the UV. The \u003cstrong\u003e5W is rated to a maximum 1,000L\/hr, 9W to 3,000L\/hr, 11W to 4,000L\/hr and 18W to 6,000L\/hr.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eCan too much water flow through a UV-C clarifier?\u003c\/h3\u003e\n\u003cp\u003eYes. Excessive flow reduces contact time with the UV-C light. Stay within the manufacturer's maximum flow specification.\u003c\/p\u003e\n\u003ch3\u003eCan I use it with a Pondmaster pump?\u003c\/h3\u003e\n\u003cp\u003eYes, provided the selected pump and actual flow suit the ClearTec model and the rest of your filtration system.\u003c\/p\u003e\n\u003ch3\u003eClearTec or ClariTec?\u003c\/h3\u003e\n\u003cp\u003eChoose ClearTec when you already have filtration and mainly want to add UV-C clarification. Consider ClariTec when you want a combined pressurised filter and UV-C system.\u003c\/p\u003e\n\u003ch3\u003eHow long does it take to clear a green pond?\u003c\/h3\u003e\n\u003cp\u003eIt varies depending on pond volume, algae severity, UV size, flow and filtration. The water needs to circulate through the UV repeatedly.\u003c\/p\u003e\n\u003ch3\u003eWhy is my pond still green even though the UV lamp is glowing?\u003c\/h3\u003e\n\u003cp\u003eCheck the age of the UV lamp, quartz sleeve cleanliness, water flow, filter condition and whether the algae is actually free-floating green water.\u003c\/p\u003e\n\u003ch3\u003eDoes the UV lamp need replacing?\u003c\/h3\u003e\n\u003cp\u003eYes. UV output gradually decreases with use even if the lamp still visibly operates.\u003c\/p\u003e\n\u003ch3\u003eDo I need to clean the ClearTec?\u003c\/h3\u003e\n\u003cp\u003eYes. The quartz sleeve should be inspected and cleaned periodically so mineral and organic buildup doesn't block UV transmission.\u003c\/p\u003e\n\u003ch3\u003eCan I mount it outside the pond?\u003c\/h3\u003e\n\u003cp\u003eYes. The ClearTec is designed for installation as part of an external pond plumbing system and can be mounted securely using its mounting options.\u003c\/p\u003e\n\u003ch3\u003eIs UV-C safe for fish?\u003c\/h3\u003e\n\u003cp\u003eThe fish are not directly exposed to the UV-C lamp. Pond water passes through the enclosed unit before returning to the pond.\u003c\/p\u003e","brand":"Aqua One","offers":[{"title":"5W UV-C","offer_id":43719565344845,"sku":null,"price":159.99,"currency_code":"NZD","in_stock":true},{"title":"9W UV-C","offer_id":43016968962125,"sku":null,"price":189.99,"currency_code":"NZD","in_stock":true},{"title":"11W UV-C","offer_id":43016968994893,"sku":null,"price":229.99,"currency_code":"NZD","in_stock":true},{"title":"18W UV-C","offer_id":43016969027661,"sku":null,"price":299.99,"currency_code":"NZD","in_stock":true},{"title":"36W UV-C","offer_id":50525571940429,"sku":null,"price":329.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/afa708c7-6ad8-4072-b4c6-1d60e9b26af5.png?v=1779344079"},{"product_id":"pond-one-claritec-3000-15000-inlet-outlet-hose-adaptor-set-blanking-cap","title":"Pond One ClariTec 3000 - 15000 Inlet\/Outlet Hose Adaptor Set + Blanking Cap","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePond One ClariTec Inlet\/Outlet Hose Adaptor Set + Blanking Cap\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a replacement fitting set for compatible ClariTec pressurised pond filters. It is ideal for replacing lost, damaged or worn hose connections and helps keep your filter plumbing secure and properly connected.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eReplacement inlet and outlet hose adaptor set\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes blanking cap\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for Pond One ClariTec pressurised filters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps maintain secure hose connections\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for replacing damaged, worn or missing fittings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUseful spare part for pond filter servicing and repairs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCompatible With\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePond One ClariTec 3000\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePond One ClariTec 5000\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePond One ClariTec 10000\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePond One ClariTec 15000\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePerfect For\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eReplacing damaged hose adaptors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRepairing ClariTec filter connections\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRoutine pond filter maintenance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeeping spare filter fittings on hand\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Aqua One","offers":[{"title":"Default Title","offer_id":67737573621837,"sku":null,"price":36.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/11680.jpg?v=1792535809"}],"url":"https:\/\/simplyfish.co.nz\/collections\/pond-filters.oembed","provider":"Simply Fish","version":"1.0","type":"link"}