{"product_id":"spectrum-carbon-blocks-koi-pond-water-purification","title":"Spectrum Carbon Blocks for Koi Pond Water Purification","description":"\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0)\"\u003eSpectrum Carbon Blocks are high-quality activated carbon block cartridges designed to improve tap water quality before it enters your koi pond, garden pond, or water filtration system. These cartridges filter down to 5 micron while maintaining strong flow rates, making them a practical choice for pond keepers who need efficient chlorine reduction without restricting water movement.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0)\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0)\"\u003eMade with food grade coconut carbon block, Spectrum Carbon Blocks help reduce bad taste, odour, discolouration, chlorine, chloramine, herbicides, solvents, dyes, and organic pollutants through absorption. They are suitable for treating mains water before pond top-ups, water changes, and koi pond filtration preparation.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0)\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0)\"\u003eThese carbon blocks are FDA, NSF, and WRAS approved, giving added confidence in manufacturing quality and water safety. The FDA compliant binders help prevent water bypassing the carbon while reducing the risk of unwanted leaching into the water. For ultimate water purification, these 5 micron blocks can be used with a follow-up QK Char cartridge.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0)\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0)\"\u003eSpectrum Carbon Blocks are available in 10 inch, 10 inch BB, 20 inch, and 20 inch BB sizes. All sizes are also available in a multi-buy pack of 3, helping you save money while keeping spare cartridges ready for regular maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0)\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0)\"\u003eWith high flow capability and high capacity chlorine removal, Spectrum Carbon Blocks are ideal for koi pond owners who want cleaner, safer water and reliable performance during pond water changes.\u003c\/span\u003e\u003c\/p\u003e","brand":"Spectrum","offers":[{"title":"10\" BB","offer_id":56345837666678,"sku":"101816","price":52.95,"currency_code":"GBP","in_stock":true},{"title":"10\"","offer_id":56345837699446,"sku":"101814","price":19.95,"currency_code":"GBP","in_stock":true},{"title":"20\" BB","offer_id":56345837732214,"sku":"101817","price":89.95,"currency_code":"GBP","in_stock":true},{"title":"20\"","offer_id":56345837764982,"sku":"101815","price":39.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/9238\/5910\/files\/1704287253-76331700.png?v=1780219614","url":"https:\/\/www.queni-koi.co.uk\/products\/spectrum-carbon-blocks-koi-pond-water-purification","provider":"Queni Koi Southern","version":"1.0","type":"link"}