{"product_id":"kockney-koi-alfagrog-filter-media-15kg","title":"Alfagrog E40 Ceramic Pond\/Aquarium Filter Media 15kg","description":"\u003cdiv\u003eAlfagrog is a porous foamed ceramic material, which is lightweight, strong and inert.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eBag weighs approx 15kg in weight, but as it is a natural product please allow for some variance.\u003cbr\u003e \u003c\/div\u003e\u003cbr\u003eIt's high surface area makes it the natural choice for colonisation by micro organisms in biological filtration systems resulting in cleaner water.\u003cbr\u003e\u003cbr\u003eBenefits of Alfagrog over other filter media:\u003cbr\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003eExtremely high surface area\u003c\/li\u003e \u003cli\u003eHighly porous\u003c\/li\u003e \u003cli\u003eInert, pH neutral\u003c\/li\u003e \u003cli\u003eLightweight\u003c\/li\u003e \u003cli\u003eEconomical\u003c\/li\u003e \u003c\/ul\u003eThe Alfagrog range of porous ceramic filter media is made under controlled conditions in Staffordshire, UK.\u003cbr\u003e\u003cbr\u003eSelected clays and raw materials are rapidly sintered at high temperature to produce a foamed ceramic porous mass, which is crushed and sieved to a convenient particle size.\u003cbr\u003e\u003cbr\u003eAlfagrog is available in a wide range of sizes giving the end user optimum media surface area in varying water flow rates.\u003cbr\u003e\u003cbr\u003eThe manufacturing process ensures that no substances are present to adversely affect the health of fish or plants. The material is pH neutral and can be used in both freshwater and marine applications.\u003ch4\u003eWhy is Alfagrog so effective?\u003c\/h4\u003eThe key to effective biological filtration is choosing media with the highest surface area possible to allow beneficial bacteria to colonise and remove waste from the water. Alfagrog has an extremely high surface area by volume compared with other types of filter media on the market.","brand":"Kockney Koi","offers":[{"title":"1","offer_id":54934690660691,"sku":"1011992_Bar","price":15.0,"currency_code":"GBP","in_stock":true},{"title":"2","offer_id":54934690693459,"sku":"1023196","price":25.0,"currency_code":"GBP","in_stock":true},{"title":"3","offer_id":54934690726227,"sku":"1027882","price":38.0,"currency_code":"GBP","in_stock":true},{"title":"6","offer_id":54934690758995,"sku":"1027883","price":71.0,"currency_code":"GBP","in_stock":true},{"title":"12","offer_id":54934690791763,"sku":"1027884","price":137.0,"currency_code":"GBP","in_stock":true},{"title":"24","offer_id":54934690824531,"sku":"1027885","price":269.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/d4dxzdr4mvt.jpg?v=1789334574","url":"https:\/\/progradewarehouse.com\/products\/kockney-koi-alfagrog-filter-media-15kg","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}