{"product_id":"qualirey-12w-uv-pond-clarifier-for-koi-pond-aquarium-in-line-stainless-steel-with-quartz-sleeve","title":"Qualirey 12W UV Pond Clarifier for Koi Pond \u0026 Aquarium — In-line Stainless Steel with Quartz Sleeve","description":"\u003cp\u003e\u003cstrong\u003eThe Qualirey 12W UV Pond Clarifier is an external in-line ultraviolet unit that reduces green water and improves clarity for koi ponds, aquariums, fountains, and cold plunge systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact in-line UV clarifier uses a 12-watt UV lamp inside a stainless-steel chamber and quartz sleeve to expose circulating water to germicidal ultraviolet light. Built for external circulation, the unit connects between a pump and tubing to treat water without chemicals. It arrives as a kit with mounting clamps, a quartz sleeve, a UV bulb, and an electronic ballast so you can install it quickly on most pond and aquarium return lines.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Qualirey UV clarifier improve water clarity?\u003c\/h3\u003e\n\u003cp\u003eThe clarifier treats suspended single-celled algae and other microorganisms by passing water through ultraviolet light, which helps reduce visible green water and cloudiness. It does not filter out debris, so pairing it with mechanical or biological filtration gives best overall results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12W UV lamp for continuous exposure of circulating water\u003c\/li\u003e\n  \u003cli\u003eQuartz sleeve protects the lamp while maximizing UV transmission\u003c\/li\u003e\n  \u003cli\u003eStainless-steel chamber designed for durable, external connections\u003c\/li\u003e\n  \u003cli\u003eWorks passively with pump-driven flow—no chemicals required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat flow rates and installations are recommended?\u003c\/h3\u003e\n\u003cp\u003eThis device is rated at approximately 0.2 tons \/ 1 GPM equivalent for optimal UV exposure; actual performance depends on pump strength and water clarity. Install the unit externally in the return line so the ballast and power connections remain dry and accessible.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConnect inline between pump and return\/tubing—do not submerge the unit\u003c\/li\u003e\n  \u003cli\u003eConfirm tubing size and direction of flow before installation\u003c\/li\u003e\n  \u003cli\u003eUse PTFE thread seal tape for secure connections to avoid leaks\u003c\/li\u003e\n  \u003cli\u003eKeep the ballast elevated and dry; secure with the supplied mounting clamps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat components are included and what maintenance is needed?\u003c\/h3\u003e\n\u003cp\u003eThe package contains the stainless-steel clarifier body, quartz sleeve, UV bulb, electronic ballast, and two mounting clamps. Routine upkeep includes periodic cleaning of the quartz sleeve and annual lamp replacement to maintain UV output.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: quartz sleeve, UV bulb, ballast, and mounting clips\u003c\/li\u003e\n  \u003cli\u003eClean sleeve when buildup reduces light transmission\u003c\/li\u003e\n  \u003cli\u003eReplace UV bulb per manufacturer guidance or when output declines\u003c\/li\u003e\n  \u003cli\u003eInspect seals and fittings regularly to prevent leaks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this unit safe and what should I avoid?\u003c\/h3\u003e\n\u003cp\u003eWhen installed correctly for external use, the clarifier is safe for household and covered outdoor applications. Avoid direct skin or eye exposure to the UV lamp, and do not operate the unit fully submerged or with the ballast exposed to moisture.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDo not submerge the clarifier body or electronic ballast\u003c\/li\u003e\n  \u003cli\u003eAvoid direct contact with the UV lamp—handle with care\u003c\/li\u003e\n  \u003cli\u003eKeep small parts and pointed items away from children\u003c\/li\u003e\n  \u003cli\u003eUse in covered or sheltered locations if installed outdoors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Qualirey 12W UV Pond Clarifier suits hobbyists and small-pond owners who want to reduce green water and support clearer viewing without chemical treatments. It's appropriate for aquariums, koi ponds, fountains, small water features, and cold plunge circulation systems when paired with suitable pumps and pre-filtration. Choose this unit if you need a compact, externally mounted UV solution with stainless-steel construction and an included installation kit for quick setup.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the Qualirey UV clarifier be submerged?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This model is for external in-line use only; keep the unit and ballast dry and outside the water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should the UV bulb be replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace the UV bulb annually or when you notice reduced clarity; clean the quartz sleeve regularly for best performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Qualirey","offers":[{"title":"Default Title","offer_id":56799227248980,"sku":"B0D676T9R1","price":72.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/qualirey-front-view-clarifier.jpg?v=1786729782","url":"https:\/\/gardenluxe.co.uk\/products\/qualirey-12w-uv-pond-clarifier-for-koi-pond-aquarium-in-line-stainless-steel-with-quartz-sleeve","provider":"Gardenluxe Uk","version":"1.0","type":"link"}