{"product_id":"pond-water-conditioner-uk-dechlorinator-for-koi-goldfish-makes-tap-water-safe-1l","title":"Pond Water Conditioner UK | Dechlorinator for Koi \u0026 Goldfish | Makes Tap Water Safe | 1L","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp class=\"featured-snippet\"\u003e\u003cstrong\u003ePond Water Conditioner and Dechlorinator\u003c\/strong\u003e instantly makes tap water safe for koi, goldfish, and all pond fish by neutralising chlorine, chloramines, and toxic heavy metals. This concentrated formula is essential for every UK pond keeper — use it during every water change, pond top-up, or new fish introduction to protect your fish and maintain a healthy, balanced pond environment.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Every UK Pond Needs a Dechlorinator\u003c\/h2\u003e\n\u003cp\u003eUK tap water is treated with chlorine and increasingly with chloramine — a more stable and persistent disinfectant that doesn't evaporate like chlorine. While harmless for drinking, chloramine is directly toxic to fish, attacking gill tissue and disrupting the immune system. Standard water ageing or leaving water to stand overnight does NOT remove chloramine. Only a proper aquatic water conditioner will neutralise both chemicals effectively.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstant dechlorination\u003c\/strong\u003e — neutralises chlorine within seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChloramine removal\u003c\/strong\u003e — breaks the chloramine bond that ageing water cannot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy metal detoxification\u003c\/strong\u003e — removes copper, lead, zinc from tap water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe for all pond fish\u003c\/strong\u003e — koi, goldfish, orfe, rudd, tench and more\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentrated formula\u003c\/strong\u003e — economical, small dose treats large volumes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for all pond sizes\u003c\/strong\u003e — from small garden ponds to large koi ponds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable in multiple sizes\u003c\/strong\u003e — 500ml, 1L, and 5L for high-volume users\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eAdd the correct dose to your pond water before or immediately during the addition of tap water. The conditioner works instantly — there is no need to wait before adding fish. For large water changes, pre-mix the conditioner in a bucket of tap water before adding to the pond for even distribution. The 5L size is ideal for large koi ponds with regular water change schedules.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable class=\"specs-table\" 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;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eConcentrated liquid dechlorinator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eSizes Available\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e500ml, 1L, 5L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eNeutralises\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eChlorine, chloramines, heavy metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eAction Time\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eInstant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eSuitable For\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eAll coldwater pond fish species\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eUse\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWater changes, top-ups, new fish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eEssential Uses for Pond Dechlorinator\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegular water changes:\u003c\/strong\u003e 10–20% water changes weekly or fortnightly need conditioner every time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvaporation top-ups:\u003c\/strong\u003e Summer heat causes significant evaporation — always treat top-up water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew pond filling:\u003c\/strong\u003e Treat all tap water before adding fish for the first time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarantine tank setup:\u003c\/strong\u003e Essential when setting up a hospital or quarantine tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency water changes:\u003c\/strong\u003e During ammonia spikes or disease outbreaks when rapid water changes are needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUnderstanding Chloramine vs Chlorine\u003c\/h2\u003e\n\u003cp\u003eMany pond keepers know to dechlorinate their water but aren't aware that modern UK water treatment uses chloramine rather than chlorine alone. Chloramine — a combination of chlorine and ammonia — is far more stable and doesn't dissipate with aeration or standing. This is why fish can be harmed even in water that's been left overnight. This conditioner handles both, providing complete protection.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eDoes tap water really harm fish that quickly?\u003c\/h3\u003e\n\u003cp\u003eYes. Untreated tap water can cause gill damage and acute stress within minutes of exposure. In severe cases — particularly with chloramine — fish can show signs of distress almost immediately. Always treat tap water before it contacts your fish.\u003c\/p\u003e\n\n\u003ch3\u003eHow much conditioner do I need per litre of water?\u003c\/h3\u003e\n\u003cp\u003eFollow the dosing instructions on the bottle for the specific volume of new water you're adding. This is a concentrated formula so a small amount treats a significant volume. Over-dosing slightly is not harmful, but there's no benefit to using more than recommended.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use this conditioner year-round?\u003c\/h3\u003e\n\u003cp\u003eYes — this conditioner is effective at all temperatures. UK tap water contains chlorine and chloramines regardless of season, so use it every time you add tap water to your pond, even during winter maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eIs this safe for plants and beneficial bacteria?\u003c\/h3\u003e\n\u003cp\u003eYes. This conditioner is formulated to be safe for aquatic plants, beneficial filter bacteria, and invertebrates. It targets only the harmful chemicals in tap water without affecting the natural biology of your pond.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's the difference between the 500ml and 5L sizes?\u003c\/h3\u003e\n\u003cp\u003eAll sizes contain the same concentrated formula. The 500ml is ideal for smaller ponds or occasional use. The 1L suits medium ponds with regular maintenance. The 5L is designed for large koi ponds where significant weekly water changes mean high conditioner usage — offering the best value per litre.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"PondLiners Co","offers":[{"title":"500ml","offer_id":57667523936604,"sku":null,"price":33.0,"currency_code":"GBP","in_stock":true},{"title":"1L","offer_id":57667523969372,"sku":null,"price":54.0,"currency_code":"GBP","in_stock":true},{"title":"5L","offer_id":57667524002140,"sku":null,"price":189.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0889\/2035\/9260\/files\/836a73bd7377d67cdba6ad11b3dadfb2.jpg?v=1779047619","url":"https:\/\/www.pondlinersco.co.uk\/products\/pond-water-conditioner-uk-dechlorinator-for-koi-goldfish-makes-tap-water-safe-1l","provider":"PondLinersco.co.uk","version":"1.0","type":"link"}