{"product_id":"cto-carbon-block-filter-water-purifier","title":"CTO Carbon Block Filter-Water Purifier","description":"\u003cp dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eCTO Carbon Block Filter\u003c\/strong\u003e is a type of activated-carbon water filter. \u003cstrong\u003eCTO stands for Chlorine, Taste and Odour\u003c\/strong\u003e, which describes its main purpose. It is made by compressing activated carbon into a solid block rather than using loose carbon granules. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhat it does\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eA CTO carbon block can help reduce:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChlorine\u003c\/strong\u003e from municipal water\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBad tastes and odours\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCertain \u003cstrong\u003eorganic compounds and VOCs\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fine \u003cstrong\u003esediment\/particles\u003c\/strong\u003e, depending on its micron rating\u003c\/li\u003e\n\u003cli\u003eSome specific contaminants such as certain heavy metals, \u003cstrong\u003ebut this depends on the particular carbon and manufacturer's specifications\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThe carbon works mainly through \u003cstrong\u003eadsorption\u003c\/strong\u003e: contaminants attach to the enormous internal surface area of the activated carbon. The solid block also forces water through the carbon rather than allowing water to easily channel through loose granules. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eCTO vs your 100% coconut post-carbon filter\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe important difference is that \u003cstrong\u003e\"CTO\" describes the function\u003c\/strong\u003e, while \u003cstrong\u003e\"100% coconut carbon\" describes the carbon material\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eSo you can actually have a \u003cstrong\u003e100% coconut-shell CTO carbon block\u003c\/strong\u003e. Some manufacturers specifically make CTO blocks from activated coconut-shell carbon. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv dir=\"auto\" class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable dir=\"auto\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eFilter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eMain purpose\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoconut-shell post carbon\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFinal polishing, taste and odour improvement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCTO carbon block\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChlorine, taste, odour + finer carbon filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSediment filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirt, sand, rust and particles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRO membrane\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTDS, salts and many dissolved contaminants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 dir=\"auto\"\u003eFor an RO system\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eA CTO carbon block is particularly useful \u003cstrong\u003ebefore the RO membrane\u003c\/strong\u003e, because chlorine can damage certain RO membranes. It can therefore act as a protective carbon stage before the membrane. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eIt can also be used \u003cstrong\u003eafter RO as a polishing stage\u003c\/strong\u003e, depending on the system design.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eOne important point\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eDon't assume that a CTO filter makes unsafe water safe to drink. A standard carbon block is \u003cstrong\u003enot a microbiological sterilisation system\u003c\/strong\u003e and does not automatically remove bacteria and viruses.\u003c\/p\u003e","brand":"Aquatic Pets SA","offers":[{"title":"Default Title","offer_id":50472558657579,"sku":null,"price":148.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4676\/6123\/files\/Carbon-Active-Charcoal-CTO-Filter-Cartridge-for-Home-Filter-System.webp?v=1790166582","url":"https:\/\/aquaticpetssa.com\/products\/cto-carbon-block-filter-water-purifier","provider":"Aquatic Pets SA","version":"1.0","type":"link"}