{"title":"Water","description":"What you drink, cook with, and shower in. No disposable plastic cartridges.","products":[{"product_id":"shower-filter","title":"Shower Filter","description":"\u003cp\u003eKDF-55 + carbon + calcium sulfite. Every material on the page.\u003c\/p\u003e\n\u003cp\u003eA 10-minute shower exposes you to as much chlorine as drinking 2 litres of the same water — through skin absorption and steam inhalation that bypass the liver entirely (Weisel \u0026amp; Chen, 1994). Hot water dilates skin vasculature and volatilises chlorination byproducts; closed shower doors trap the steam against your face. Long-term THM exposure via showering and bathing is associated with elevated bladder cancer risk in epidemiological data (Villanueva et al., 2007). KDF-55 strips chlorine at shower temperatures where activated carbon alone drops off.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003eMedia\u003c\/dt\u003e\n\u003cdd\u003eKDF-55 + carbon + calcium sulfite\u003c\/dd\u003e\n\u003cdt\u003eFitting\u003c\/dt\u003e\n\u003cdd\u003eStandard ½″ universal\u003c\/dd\u003e\n\u003cdt\u003eCartridge life\u003c\/dt\u003e\n\u003cdd\u003e6–12 months\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eMaterials\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKDF-55\u003c\/strong\u003e (~40%) — \u003cem\u003eFilter stage 1\u003c\/em\u003e\u003cbr\u003eCopper-zinc alloy. Removes chlorine and heavy metals through electrochemical redox. Works better than carbon in hot water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActivated Carbon\u003c\/strong\u003e (~35%) — \u003cem\u003eFilter stage 2\u003c\/em\u003e\u003cbr\u003eAdsorbs chlorine, VOCs, and organic compounds that get past the KDF stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalcium Sulfite\u003c\/strong\u003e (~20%) — \u003cem\u003eFilter stage 3\u003c\/em\u003e\u003cbr\u003eSpecifically targets chloramine — which carbon and KDF are less effective against. Important for areas that use chloramine instead of chlorine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat we left out\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-stage carbon-only filters\u003c\/strong\u003e \u003cem\u003e(Filter media)\u003c\/em\u003e\u003cbr\u003eActivated carbon’s chlorine adsorption drops significantly at shower temperatures (40–50°C). Three-stage filtration (KDF-55 + carbon + calcium sulfite) works at temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin C cartridges\u003c\/strong\u003e \u003cem\u003e(Gimmick)\u003c\/em\u003e\u003cbr\u003eSome filters use ascorbic acid tablets. Dissolve in seconds at shower flow rates — marketing that can’t deliver the claim.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNickel-plated brass fittings\u003c\/strong\u003e \u003cem\u003e(Hardware)\u003c\/em\u003e\u003cbr\u003eCheap shower filters use nickel-plated or lead-brass fittings. Nickel is the most common contact allergen in Europe (Thyssen \u0026amp; Menné, 2010) and hot water accelerates leaching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePVC hoses and gaskets\u003c\/strong\u003e \u003cem\u003e(Plasticizers)\u003c\/em\u003e\u003cbr\u003ePVC components contain phthalate plasticizers that leach in hot water. Our gaskets are EPDM rubber — food-grade, phthalate-free.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy we built it this way\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eKDF-55 + activated carbon + calcium sulfite — three-stage filtration, not a single-material gimmick\u003c\/li\u003e\n\u003cli\u003eRemoves chlorine — the chemical that dries skin, strips hair, and triggers eczema flare-ups\u003c\/li\u003e\n\u003cli\u003eReduces heavy metals — lead, mercury, copper from old UK pipes\u003c\/li\u003e\n\u003cli\u003eInstalls in 2 minutes — standard ½″ universal fitting, no plumber needed\u003c\/li\u003e\n\u003cli\u003eCartridge lasts 6–12 months — depending on water hardness and shower frequency\u003c\/li\u003e\n\u003cli\u003eNo plastic cartridge waste — unlike Brita-style replacements every 4 weeks\u003c\/li\u003e\n\u003cli\u003eNo vitamin C gimmick — ascorbic acid tablets dissolve too fast to actually filter at shower flow rates\u003c\/li\u003e\n\u003cli\u003eHot water opens pores — whatever’s in your water absorbs more readily in a hot shower than a cold glass\u003c\/li\u003e\n\u003cli\u003ePairs with Charcoal Water Filter Sticks — filter your shower AND your drinking water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnscrew your shower head\u003c\/strong\u003e\u003cbr\u003eStandard ½\" thread. No tools needed for most showers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew the filter onto the shower arm\u003c\/strong\u003e\u003cbr\u003eHand-tight is fine. The rubber washers (included) seal the connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew the shower head onto the filter\u003c\/strong\u003e\u003cbr\u003eYour shower head goes on the other end. The filter sits between the arm and the head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun the shower for 30 seconds\u003c\/strong\u003e\u003cbr\u003eFlush the cartridge before first use. Water may look slightly grey for the first few seconds — that’s carbon dust, it’s harmless.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eDo shower filters actually work?\u003c\/h3\u003e\u003cp\u003eYes — if they use the right media. KDF-55 removes chlorine through electrochemical redox, which works at shower temperatures where activated carbon’s effectiveness drops. A 10-minute shower exposes you to as much chlorine as drinking 2 litres of the same water (Weisel \u0026amp; Chen, 1994) — via skin absorption and steam inhalation that bypass liver detoxification.\u003c\/p\u003e\u003ch3\u003eWhat is the best shower filter UK?\u003c\/h3\u003e\u003cp\u003eTwo things matter: filter media and fitting compatibility. KDF-55 outperforms carbon alone in hot water — most shower filters sold in the UK use carbon-only cartridges, and carbon’s chlorine adsorption drops significantly above 40°C. Standard ½″ universal fitting means no plumber and no adapters.\u003c\/p\u003e\u003ch3\u003eHow do I install it?\u003c\/h3\u003e\u003cp\u003eUnscrew your shower head. Screw on the filter. Screw the shower head onto the filter. Standard ½″ universal fitting — 2 minutes, no tools, no plumber.\u003c\/p\u003e\u003ch3\u003eWhen do I replace the cartridge?\u003c\/h3\u003e\u003cp\u003eEvery 6–12 months depending on water hardness and usage. If you notice reduced flow or the chlorine smell returning, it’s time.\u003c\/p\u003e\u003ch3\u003eDoes it reduce water pressure?\u003c\/h3\u003e\u003cp\u003eMinimal. The three-stage filter is designed for shower flow rates. Most people don’t notice a difference.\u003c\/p\u003e\u003ch3\u003eWhat does KDF-55 do?\u003c\/h3\u003e\u003cp\u003eKDF-55 is a copper-zinc alloy that removes chlorine and heavy metals through electrochemical oxidation-reduction. Unlike carbon, it maintains performance at hot water temperatures (40–50°C). Combined KDF + carbon outperforms either alone (Heeb et al., 2002).\u003c\/p\u003e\u003ch3\u003eDoes it remove fluoride?\u003c\/h3\u003e\u003cp\u003eNo. No shower filter removes fluoride — that requires reverse osmosis or distillation. This filter targets chlorine, chloramine, and heavy metals — the compounds that dry skin, strip hair, and trigger eczema.\u003c\/p\u003e\u003ch3\u003eHow do I install it correctly?\u003c\/h3\u003e\u003cp\u003eUnscrew your shower head. Wrap a couple of turns of PTFE tape around the shower arm thread (not strictly required but stops drips). Screw the filter onto the arm — hand tight is plenty, the rubber washer does the sealing. Screw the shower head onto the other end. Run the shower for 30 seconds before your first use to flush the cartridge — the water may run slightly grey for a few seconds, that’s harmless carbon dust. Total time: about 2 minutes. If your shower arm has an unusual fitting (some Italian and German systems), check the thread is standard ½″ before ordering.\u003c\/p\u003e\u003ch3\u003eWhat about the cheap shower filter I already have?\u003c\/h3\u003e\u003cp\u003eMost cheap filters use carbon-only media, which loses effectiveness above 40°C — exactly your shower temperature. So you’re running hot water through a filter that saturates within weeks while marketing claims six months. Three-stage media (KDF-55 + carbon + calcium sulfite) maintains performance at shower temperatures and addresses chloramine, which carbon alone doesn’t.\u003c\/p\u003e\n\u003ch2\u003eResearch\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeisel CP, Chen WJ\u003c\/strong\u003e (1994). \u003cem\u003eRisk Analysis\u003c\/em\u003e\u003cbr\u003eDermal absorption and inhalation of chloroform during a standard 10-minute shower produce blood plasma concentrations equivalent to drinking two litres of the same water. The combined dermal and respiratory exposure route bypasses first-pass liver metabolism entirely — a fraction of shower chlorine and chloroform byproducts enters the bloodstream directly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrown HS, Bishop DR, Rowan CA\u003c\/strong\u003e (1984). \u003cem\u003eAmerican Journal of Public Health\u003c\/em\u003e\u003cbr\u003eAdult skin absorption of volatile chlorinated compounds increases substantially at shower temperatures (37–45°C) compared to cooler contact. Hot water dilates dermal vasculature and increases transdermal permeability. For volatile organic disinfection byproducts, the shower delivers significantly greater total dose than drinking the same water cold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeeb NV, Dolezal IS, Bhattacharjee S, Zünd T, Ander H\u003c\/strong\u003e (2002). \u003cem\u003eWater Research\u003c\/em\u003e\u003cbr\u003eKDF-55 media (copper-zinc alloy) removes free chlorine and chloramine from water through electrochemical redox reactions rather than physical adsorption. Unlike carbon, which saturates over time and loses effectiveness, KDF maintains performance at hot water temperatures where activated carbon’s adsorption capacity drops. Combined KDF + carbon filtration outperforms either medium alone in shower applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVillanueva CM, Cantor KP, Grimalt JO, Malats N, Silverman D, Tardon A, Garcia-Closas R, Serra C, Carrato A, Castaño-Vinyals G\u003c\/strong\u003e (2007). \u003cem\u003eAmerican Journal of Epidemiology\u003c\/em\u003e\u003cbr\u003eLong-term exposure to chlorination byproducts (trihalomethanes) in drinking and bathing water was associated with increased bladder cancer risk. The exposure routes included ingestion, inhalation, and dermal absorption — with showering and bathing contributing a significant proportion of total THM exposure due to the vaporisation of volatile compounds at warm water temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNuckols JR, Ashley DL, Lyu C, Gordon SM, Hinckley AF, Singer P\u003c\/strong\u003e (2005). \u003cem\u003eEnvironmental Health Perspectives\u003c\/em\u003e\u003cbr\u003eBlood concentrations of trihalomethanes (THMs) — chlorine disinfection byproducts — increased measurably after showering, bathing, and swimming. The increase was primarily attributed to inhalation of volatilised THMs in steam and dermal absorption through warm, dilated skin. Showering for 10 minutes produced higher blood THM levels than drinking 1 litre of the same water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEso World\u003c\/strong\u003e publishes every material in every product. The full materials list, exclusion list, and citations live on the product page.\u003c\/p\u003e","brand":"Eso World","offers":[{"title":"Default Title","offer_id":54111652905300,"sku":"FP_SHWR_FLTR","price":39.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/5655\/7908\/files\/104A5841.jpg?v=1775337002"},{"product_id":"charcoal-water-filter-sticks","title":"Natural Charcoal Water Filter Stick | Two Sticks | 6-12 Month Use Each","description":"\u003cp\u003ePure binchotan charcoal, no plastic, no binders, no additives. Every material on the page.\u003c\/p\u003e\n\u003cp\u003eActivated charcoal removes up to 99% of free chlorine from tap water through surface catalysis (Hsieh \u0026amp; Teng, 2000) — that’s the chemical that gives chlorinated water its taste, dries skin, and converts to chloramine in your kettle. Brita-style cartridges do the same job inside a polypropylene shell with ion-exchange resin beads, replaced every 4–8 weeks. A binchotan stick is the same chemistry minus the plastic. Doesn’t remove fluoride — no activated carbon does, and we’re saying it because nobody else will.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eBinchotan (white charcoal)\u003c\/dd\u003e\n\u003cdt\u003eQuantity\u003c\/dt\u003e\n\u003cdd\u003e2 sticks\u003c\/dd\u003e\n\u003cdt\u003eLifespan\u003c\/dt\u003e\n\u003cdd\u003e6–12 months each\u003c\/dd\u003e\n\u003cdt\u003eCapacity\u003c\/dt\u003e\n\u003cdd\u003e1L jug per stick\u003c\/dd\u003e\n\u003cdt\u003eEnd of life\u003c\/dt\u003e\n\u003cdd\u003eCompostable\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eMaterials\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eBinchotan Charcoal\u003c\/strong\u003e (100%) — \u003cem\u003eFilter\u003c\/em\u003e\u003cbr\u003eWhite charcoal, fired at 1000°C+. Millions of microscopic pores adsorb chlorine, VOCs, and organic compounds from water. Completely natural — no binders, no additives.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eWhat we left out\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlastic cartridges\u003c\/strong\u003e \u003cem\u003e(Waste)\u003c\/em\u003e\u003cbr\u003eBrita and similar pitcher filters use a new polypropylene cartridge every 4–8 weeks. Even brands marketed as ‘eco’ or ‘sustainable’ water filters still use disposable plastic cartridges — they’ve just made the cartridge smaller. Billions go to landfill annually. A charcoal stick lasts 6–12 months and is compostable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIon-exchange resin beads\u003c\/strong\u003e \u003cem\u003e(Filter media)\u003c\/em\u003e\u003cbr\u003eBrita-style cartridges use styrene-divinylbenzene copolymer beads. Even ‘natural’ or ‘plant-based’ filter brands often use the same resin bead technology inside a differently branded cartridge. Pure activated charcoal has no polymer media.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilver nanoparticles\u003c\/strong\u003e \u003cem\u003e(Additives)\u003c\/em\u003e\u003cbr\u003eSome carbon filters add colloidal silver as an antimicrobial preservative, even ones marketed as ‘natural’ or ‘chemical-free’. Ours don’t — pure activated charcoal, no engineered nano-additives in your drinking water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBinder-bound carbon blocks\u003c\/strong\u003e \u003cem\u003e(Processing)\u003c\/em\u003e\u003cbr\u003eCheap carbon block filters use PVA or PTFE polymer binders to hold the carbon in shape. Loose granular binchotan needs no binder — it’s fired at 1,000°C and holds its form.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlastic filter pitchers\u003c\/strong\u003e \u003cem\u003e(Body)\u003c\/em\u003e\u003cbr\u003eNo plastic jug required. Drop the stick into any glass, ceramic, or stainless steel container. Brita-style pitchers are SAN or polypropylene plastic that degrades with repeated use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy we built it this way\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBinchotan (white charcoal) — traditional Japanese purification, backed by modern adsorption science\u003c\/li\u003e\n\u003cli\u003eReduces chlorine, VOCs, and some heavy metals — activated carbon adsorbs contaminants through micropores\u003c\/li\u003e\n\u003cli\u003eNo plastic cartridges — drop a stick in a jug. Brita uses a new plastic cartridge every month\u003c\/li\u003e\n\u003cli\u003eNo electricity, no plumbing, no installation — works in any jug, bottle, or carafe\u003c\/li\u003e\n\u003cli\u003eLasts 6–12 months per stick — reactivate by boiling every 2–3 months to refresh carbon pores\u003c\/li\u003e\n\u003cli\u003e2 sticks included — each filters up to 2 litres at a time\u003c\/li\u003e\n\u003cli\u003eCompostable at end of life — charcoal enriches garden soil. Plastic cartridges go to landfill\u003c\/li\u003e\n\u003cli\u003eRemoves the chlorine taste — fill before bed, filtered water by morning. 4–8 hours filtering time\u003c\/li\u003e\n\u003cli\u003eDoes NOT remove fluoride — no activated carbon filter does. We say this because others don’t\u003c\/li\u003e\n\u003cli\u003ePairs with Shower Filter — filter your drinking water AND your shower water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoil the stick for 10 minutes before first use\u003c\/strong\u003e\u003cbr\u003eThis opens the carbon pores and sterilises the surface. Only needed once at the start.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop it in a jug of tap water\u003c\/strong\u003e\u003cbr\u003eOne stick per litre. Leave it in — it works continuously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWait 1–2 hours (or overnight)\u003c\/strong\u003e\u003cbr\u003eThe charcoal adsorbs chlorine and impurities over time. Overnight gives the best results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefill as you drink\u003c\/strong\u003e\u003cbr\u003eJust top up the jug with tap water. The stick keeps working.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRe-boil every 2–3 months\u003c\/strong\u003e\u003cbr\u003eA 10-minute boil refreshes the pores and extends the stick’s life. Replace after 6–12 months total.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eWhat is the best water filter for tap water UK?\u003c\/h3\u003e\u003cp\u003eDepends on what you want to remove. For chlorine taste and VOCs, activated charcoal (binchotan) is the simplest and most sustainable option — no plastic cartridges, no electricity, compostable at end of life. For heavy metals and full purification, a distiller with carbon post-filter is more thorough. Brita-style pitchers use plastic cartridges with ion-exchange resin — a new one every month, billions to landfill annually.\u003c\/p\u003e\u003ch3\u003eHow do I use it?\u003c\/h3\u003e\u003cp\u003eDrop the stick into a jug or bottle of tap water. Wait 1–2 hours (or overnight). The charcoal adsorbs impurities. Refill as you drink.\u003c\/p\u003e\u003ch3\u003eHow do I know when to replace it?\u003c\/h3\u003e\u003cp\u003eAfter about 6 months of daily use, the pores become saturated. If you notice the chlorine taste returning, it’s time. Boiling the stick in water for 10 minutes every 2–3 months extends its life.\u003c\/p\u003e\u003ch3\u003eCan I use it in a water bottle?\u003c\/h3\u003e\u003cp\u003eYes. Cut or break a stick to fit. Works in any container.\u003c\/p\u003e\u003ch3\u003eWhat does it NOT remove?\u003c\/h3\u003e\u003cp\u003eFluoride, bacteria, and dissolved minerals. It’s a carbon filter — great for chlorine and taste, but not a full purifier.\u003c\/p\u003e\u003ch3\u003eHow do I use it correctly?\u003c\/h3\u003e\u003cp\u003eBoil the stick for 10 minutes before first use — this opens the carbon micropores and sterilises the surface. Drop it into a glass or ceramic jug, fill with tap water, leave overnight (4–8 hours gives the best chlorine reduction). One stick per litre of jug capacity. Refill as you drink — it keeps working continuously, no need to remove the stick. Every 2–3 months, re-boil for 10 minutes to refresh the pores. Replace at 6–12 months total. Don’t put it in a plastic jug — that defeats the point of getting away from plastic-housed filtration.\u003c\/p\u003e\u003ch3\u003eWhat about the Brita pitcher I already have?\u003c\/h3\u003e\u003cp\u003eSame active chemistry — activated carbon — wrapped in a polypropylene cartridge with ion-exchange resin beads. The cartridge is the problem: it’s a plastic shell containing a styrene-divinylbenzene copolymer, replaced every 4–8 weeks, billions to landfill annually. The water it filters is fine. The filter itself is the waste stream. A stick is the same active material without the disposable plastic housing — drop it in any glass jug. If you want both: keep the pitcher body, drop the stick into it, stop buying replacement cartridges.\u003c\/p\u003e\n\u003ch2\u003eResearch\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUS Environmental Protection Agency\u003c\/strong\u003e (2023). \u003cem\u003eDrinking Water Treatment Technology\u003c\/em\u003e\u003cbr\u003eGranular activated carbon is the primary recommended treatment for chlorine, chloramine, taste, odour, and volatile organic compounds in drinking water. Its micropore structure physically adsorbs these contaminants with no chemical reaction and no addition of residues to the water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevi R, Dahiya RP\u003c\/strong\u003e (2008). \u003cem\u003eDesalination\u003c\/em\u003e\u003cbr\u003eCoconut shell and Japanese white charcoal (binchotan) have superior micropore volume for adsorbing small volatile organic molecules compared to other carbon sources. Their micropore structure is naturally suited to capturing compounds with molecular weights between 50–200 g\/mol — the range of most VOCs found in treated tap water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHsieh CT, Teng H\u003c\/strong\u003e (2000). \u003cem\u003eCarbon\u003c\/em\u003e\u003cbr\u003eActivated charcoal removes up to 99% of free chlorine from tap water at typical domestic contact times. The reaction converts chlorine to harmless chloride ions via surface catalysis on the carbon — the chlorine is broken down, not just trapped. This is the mechanism by which a charcoal stick eliminates the chlorine taste that triggers most UK consumer complaints about tap water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEso World\u003c\/strong\u003e publishes every material in every product. The full materials list, exclusion list, and citations live on the product page.\u003c\/p\u003e","brand":"Eso World","offers":[{"title":"1 Pack (2 Sticks)","offer_id":54111653527892,"sku":"FP-BUNDLE-CBN_STICKS_1","price":12.49,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/5655\/7908\/files\/104A3435.jpg?v=1775337013"},{"product_id":"activated-carbon-filter","title":"Activated Carbon Filter for Water Distiller | 120 pieces","description":"\u003cp\u003eReplacement carbon sachets for water distiller\u003c\/p\u003e\n\u003cp\u003eDistillation removes 99.9% of contaminants. VOCs with boiling points near water survive the steam. Coconut shell carbon catches them — 120 sachets, a few pence per litre.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003eContents\u003c\/dt\u003e\n\u003cdd\u003e120 sachets\u003c\/dd\u003e\n\u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eActivated carbon\u003c\/dd\u003e\n\u003cdt\u003eUse\u003c\/dt\u003e\n\u003cdd\u003e1 sachet per 4L cycle\u003c\/dd\u003e\n\u003cdt\u003eSupply\u003c\/dt\u003e\n\u003cdd\u003e~4–6 months daily use\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eMaterials\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eActivated Carbon (Coconut Shell)\u003c\/strong\u003e (100%) — \u003cem\u003eFilter media\u003c\/em\u003e\u003cbr\u003eCoconut shell carbon — high surface area, excellent VOC adsorption. Polishes distilled water by catching any residual volatile organic compounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePaper Sachet\u003c\/strong\u003e (—) — \u003cem\u003ePackaging\u003c\/em\u003e\u003cbr\u003eUnbleached paper. No plastic, no synthetic fibres. Place in the collection jug’s nozzle area during distillation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat we left out\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlastic sachet\u003c\/strong\u003e \u003cem\u003e(Packaging)\u003c\/em\u003e\u003cbr\u003eUnbleached paper sachet. Even ‘eco’ carbon filter brands often use polyester mesh or nylon sachets that leach trace synthetic fibres into your drinking water. Ours is unbleached paper — no plastic seams, no synthetic mesh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilver nanoparticles\u003c\/strong\u003e \u003cem\u003e(Additives)\u003c\/em\u003e\u003cbr\u003eSome carbon filters add colloidal silver as an antimicrobial preservative. Ours are pure activated carbon — no engineered nano-additives, nothing else in the pouch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolymer binders\u003c\/strong\u003e \u003cem\u003e(Processing)\u003c\/em\u003e\u003cbr\u003eLoose granular carbon in a paper pouch. No PVA, no PTFE, no epoxy binders that release into the filtered water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChlorine-bleached filter paper\u003c\/strong\u003e \u003cem\u003e(Packaging)\u003c\/em\u003e\u003cbr\u003eBleached paper can carry dioxin residues from the chlorine bleaching process. Our sachet is unbleached kraft paper — natural brown, no chemical whitening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy we built it this way\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoconut shell activated carbon — superior micropore volume for small volatile molecules (Devi et al., 2008)\u003c\/li\u003e\n\u003cli\u003eCatches VOCs that survive distillation — compounds with boiling points near water carry over in steam\u003c\/li\u003e\n\u003cli\u003e120 sachets per pack — one per 4L distillation cycle, lasts ~4 months at daily use\u003c\/li\u003e\n\u003cli\u003eUnbleached paper sachet — no polyester mesh, no nylon, no plastic packaging\u003c\/li\u003e\n\u003cli\u003eNo chemical binders — loose granular carbon in a paper pouch, nothing else\u003c\/li\u003e\n\u003cli\u003eNo silver nanoparticles — some carbon filters add colloidal silver. Ours are pure activated carbon\u003c\/li\u003e\n\u003cli\u003eCompletes the distillation cycle — distiller removes 99.9%, the sachet catches the last 0.1%\u003c\/li\u003e\n\u003cli\u003eImproves taste — removes the flat taste distilled water can have from trace VOC carryover\u003c\/li\u003e\n\u003cli\u003eCompostable — paper sachet and spent carbon go in the garden bin\u003c\/li\u003e\n\u003cli\u003eWorks out to a few pence per litre of fully purified water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlace one sachet in the collection jug nozzle\u003c\/strong\u003e\u003cbr\u003eMost home distillers have a spout where water drips into the collection jug. Place the sachet so water passes through the carbon as it collects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun a normal distillation cycle\u003c\/strong\u003e\u003cbr\u003eFill the boiling chamber, press start. The carbon sachet works passively as water collects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiscard the sachet after each cycle\u003c\/strong\u003e\u003cbr\u003eOne sachet per 4L cycle. Don’t reuse — the carbon saturates in one batch.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eWhat is the best water distiller filter?\u003c\/h3\u003e\u003cp\u003eDistillation removes 99.9% of contaminants. The remaining 0.1% is volatile organic compounds with boiling points near water that carry over in steam. Coconut shell activated carbon has the highest micropore volume for capturing these small molecules (Devi et al., 2008). One sachet per 4L cycle, compostable paper, a few pence per litre.\u003c\/p\u003e\u003ch3\u003eDo I need these with the distiller?\u003c\/h3\u003e\u003cp\u003eThe distiller removes 99.9% of contaminants. The carbon sachet polishes the remaining trace VOCs and improves taste. Not essential, but recommended.\u003c\/p\u003e\u003ch3\u003eHow many cycles per sachet?\u003c\/h3\u003e\u003cp\u003eOne sachet per distillation cycle (approximately 4 litres). Replace with each batch.\u003c\/p\u003e\u003ch3\u003eCan I use them without the distiller?\u003c\/h3\u003e\u003cp\u003eThey’re designed as a post-filter for distilled water. For standalone carbon filtration, see our charcoal filter sticks.\u003c\/p\u003e\u003ch3\u003eWhy coconut shell carbon instead of bituminous or bamboo?\u003c\/h3\u003e\u003cp\u003eCoconut shell carbon has the highest micropore volume of any commercial carbon source. Micropores (below 2 nanometres) are the size range that matches volatile organic molecules — the compounds that can carry over in distillation steam and give distilled water a ‘flat’ or chemical aftertaste. Bituminous carbon has more macropores; bamboo carbon is less consistent in pore structure. For polishing distilled water, coconut shell is the technically correct choice, not just a marketing one.\u003c\/p\u003e\n\u003ch2\u003eResearch\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevi et al.\u003c\/strong\u003e (2008). \u003cem\u003eJournal of Hazardous Materials\u003c\/em\u003e\u003cbr\u003eCoconut shell activated carbon shows superior adsorption capacity for organic pollutants compared to other carbon sources due to higher micropore volume\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarsh \u0026amp; Rodríguez-Reinoso\u003c\/strong\u003e (2006). \u003cem\u003eActivated Carbon (Elsevier)\u003c\/em\u003e\u003cbr\u003eActivated carbon’s adsorption capacity for VOCs depends on pore structure — microporous carbons (like coconut shell) are most effective for small volatile molecules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnoeyink VL, Jenkins D\u003c\/strong\u003e (1980). \u003cem\u003eWater Chemistry (Wiley)\u003c\/em\u003e\u003cbr\u003eVolatile organic compounds with boiling points within —20°C of water can carry over in steam during distillation. Post-distillation activated carbon stages are the established final polish for laboratory-grade distilled water: they capture the last 0.1% that the heat step does not separate. This is why pharmaceutical and laboratory water systems pair distillation with a carbon trap on the collection side.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEso World\u003c\/strong\u003e publishes every material in every product. The full materials list, exclusion list, and citations live on the product page.\u003c\/p\u003e","brand":"Eso World","offers":[{"title":"Default Title","offer_id":54111653593428,"sku":"FP-BUNDLE-CBNSCHT-120PC","price":28.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/5655\/7908\/files\/104A2144.jpg?v=1775337020"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/5655\/7908\/collections\/eso-water-card.png?v=1784712010","url":"https:\/\/esoworld.myshopify.com\/collections\/water.oembed","provider":"Eso World","version":"1.0","type":"link"}