{"product_id":"floating-pond-heater-300w-uk-winter-de-icer-low-wattage-outdoor-koi-ponds","title":"Floating Pond Heater 300W UK | Winter De-Icer | Low Wattage | Outdoor Koi Ponds","description":"\u003ch2\u003e300W Floating Pond Heater — The Low-Wattage Winter Solution for UK Koi Ponds\u003c\/h2\u003e\n\n\u003cp\u003eProtect your koi, goldfish, and pond wildlife through even the harshest British winters with our \u003cstrong\u003e300W Floating Pond Heater\u003c\/strong\u003e. Engineered for efficiency and simplicity, this de-icer creates and maintains a vital thawed opening in the ice without heating your entire pond — saving significant energy while providing maximum protection for your fish.\u003c\/p\u003e\n\n\u003cp\u003eChosen by pond keepers across the UK for its exceptional reliability, this 300W heater is regarded as one of the most energy-efficient pond de-icers on the market. Its floating disc design means no complicated installation — just place it on the water surface, connect to power, and it manages the rest automatically through the winter months.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003cth style=\"padding:8px;border:1px solid #ddd;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ddd;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003ePower Output\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e300W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eDesign\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eFloating disc heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eThermostat\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eIntegrated thermostat (auto on\/off)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eCord Guard\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eIncluded — protects cable from ice damage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eOutdoor koi and garden ponds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eSafe For\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eAll pond fish including koi and goldfish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eInstallation\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eFloat on water surface — no tools required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy Choose Low Wattage?\u003c\/h3\u003e\n\u003cp\u003eYou don't need to heat your entire pond to protect your fish. In fact, attempting to do so would consume enormous amounts of electricity and cause unnecessary thermal stress to your fish. The science is simple: fish need a \u003cem\u003ehole in the ice\u003c\/em\u003e, not a warm pond.\u003c\/p\u003e\n\u003cp\u003eOur 300W heater creates exactly that — a precisely maintained thawed zone where toxic gases (ammonia, carbon dioxide, methane) can escape and fresh oxygen can enter. This targeted approach uses dramatically less electricity than higher-wattage alternatives while delivering the same critical protection.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e300W low wattage\u003c\/strong\u003e — one of the most energy-efficient options available\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIntegrated thermostat\u003c\/strong\u003e — switches on only when needed (near-freezing temps)\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCord guard included\u003c\/strong\u003e — prevents ice from damaging the power cable\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFloating disc design\u003c\/strong\u003e — no anchoring or installation needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFish-safe operation\u003c\/strong\u003e — no harmful materials or chemicals\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eReliable year after year\u003c\/strong\u003e — robust construction built for UK winters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Cord Guard — An Important Feature\u003c\/h3\u003e\n\u003cp\u003eUnlike basic pond heaters, this model comes with a \u003cstrong\u003ecord guard\u003c\/strong\u003e — a protective sleeve that prevents ice forming around the cable junction. This is crucial: without it, ice can damage the cable, creating potential electrical hazards. The included cord guard gives you complete peace of mind throughout the winter.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Steps\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRemove from packaging and check the cord guard is fitted securely.\u003c\/li\u003e\n\u003cli\u003ePlace the heater flat on the pond surface — the disc floats naturally.\u003c\/li\u003e\n\u003cli\u003eRun the cable to a weatherproof outdoor socket with RCD protection.\u003c\/li\u003e\n\u003cli\u003eThe thermostat activates the heater as temperatures approach freezing.\u003c\/li\u003e\n\u003cli\u003eCheck periodically throughout winter to ensure the thaw hole is present.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eWhen to Install\u003c\/h3\u003e\n\u003cp\u003eWe recommend installing your pond heater in \u003cstrong\u003eOctober or early November\u003c\/strong\u003e, before the first frost. This gives you time to check connections and verify operation before freezing temperatures arrive. Do not wait until ice has already formed — breaking ice with tools creates dangerous shockwaves that can kill fish.\u003c\/p\u003e\n\n\u003ch3\u003e1,597 Customer Reviews — Trusted by UK Pond Keepers\u003c\/h3\u003e\n\u003cp\u003eWith thousands of positive reviews from UK customers, this 300W floating pond heater has proven its worth through multiple harsh winters. Pond keepers consistently praise its reliability, low running costs, and the peace of mind it provides. Order now to secure yours before the winter rush.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFree UK Delivery\u003c\/strong\u003e | UK Stock Ready to Ship | 100% Fish-Safe Materials\u003c\/p\u003e","brand":"PondLiners Co","offers":[{"title":"300W Floating Heater","offer_id":57666872115548,"sku":null,"price":174.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0889\/2035\/9260\/files\/0337eaf855eaa97f207627593b0302b4.jpg?v=1779039735","url":"https:\/\/www.pondlinersco.co.uk\/products\/floating-pond-heater-300w-uk-winter-de-icer-low-wattage-outdoor-koi-ponds","provider":"PondLinersco.co.uk","version":"1.0","type":"link"}