{"title":"KDF Process Media","description":"\u003cdiv class=\"ipw-seo\"\u003e\n\u003cspan class=\"ipw-seo-eyebrow\"\u003eIsopure Water · KDF Process Media\u003c\/span\u003e\u003ch2 class=\"ipw-seo-title\"\u003eKDF-55 \u0026amp; KDF-85 Process Media\u003c\/h2\u003e\n\u003cp class=\"ipw-seo-lead\"\u003eKDF process media is a high-purity copper-zinc granular medium that uses a redox reaction to reduce chlorine, heavy metals, iron and hydrogen sulfide — and to control bacteria and scale in filter beds. We stock genuine KDF-55 and KDF-85 in bag and bulk quantities for whole-house filters, shower filters and media blends.\u003c\/p\u003e\n\u003cdiv class=\"ipw-seo-guide\"\u003e\n\u003ch3\u003eHow to choose KDF media\u003c\/h3\u003e\n\u003cdiv class=\"ipw-seo-points\"\u003e\n\u003cdiv class=\"ipw-seo-point\"\u003e\n\u003cb\u003eKDF-55 vs. KDF-85.\u003c\/b\u003e KDF-55 targets chlorine and heavy metals (great in carbon blends and shower filters); KDF-85 targets iron and hydrogen sulfide.\u003c\/div\u003e\n\u003cdiv class=\"ipw-seo-point\"\u003e\n\u003cb\u003eBlend with carbon.\u003c\/b\u003e A KDF\/GAC blend extends carbon life and adds bacteriostatic protection in warm, wet beds.\u003c\/div\u003e\n\u003cdiv class=\"ipw-seo-point\"\u003e\n\u003cb\u003eBackwash to keep it working.\u003c\/b\u003e KDF beds should be periodically backwashed to expose fresh media and prevent channeling.\u003c\/div\u003e\n\u003cdiv class=\"ipw-seo-point\"\u003e\n\u003cb\u003eBuy the right volume.\u003c\/b\u003e Pound bags for blends and cartridges; 1\/3 CF (57 lb) for full media beds.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"ipw-seo-close\"\u003eTell us your contaminant and we'll match KDF grade and quantity. \u003ca href=\"\/pages\/filter-finder\"\u003eStart here\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"kdf-55-kdf55-1-process-media-specialized-for-chlorine-and-heavy-metal-removal-1-lb-bag","title":"KDF-55 (KDF55-1) Process Media Specialized for Chlorine and Heavy Metal Removal 1 lb bag","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    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!important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eWatts Premium Process Media\u003c\/div\u003e\n\u003ch2\u003eKDF-55 Process Media for \u003cem\u003eChlorine and Heavy Metal Removal\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003eHigh-purity copper-zinc granules engineered for redox filtration in municipal water treatment. 1 lb bag delivers up to 15,000 gallons of chlorine reduction capacity.\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003eKDF55-1\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e1 lb Bag\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eRedox Media\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eWHY IT WORKS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eRedox Chemistry Without Chemicals\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e⚛️\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eOxidation-Reduction Reaction\u003c\/h3\u003e\n\u003cp\u003eHigh-purity copper-zinc granules exchange electrons with contaminants, converting free chlorine and precipitating heavy metals through proven redox chemistry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🛡️\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eHeavy Metal Reduction\u003c\/h3\u003e\n\u003cp\u003eRemoves lead, mercury, and other dissolved metals through direct contact with KDF-55 media, creating insoluble hydroxides that can be filtered out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🦠\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eMicroorganism Control\u003c\/h3\u003e\n\u003cp\u003eThe electrolytic field created by copper-zinc interaction inhibits bacterial growth and algae formation without introducing chemicals into your water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e💧\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003ePoint-of-Entry Efficiency\u003c\/h3\u003e\n\u003cp\u003eCompact footprint and modest tank requirements make KDF 55 ideal for whole-house systems. One pound treats approximately 15,000 gallons for chlorine removal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003ePoint-of-Entry Treatment Applications\u003c\/h3\u003e\n\u003cp\u003eKDF-55 media works in whole-house filtration systems, upflow or downflow tanks, and as a pre-treatment stage ahead of carbon beds or softeners. Compatible with most municipal water supplies. Often paired with catalytic carbon for chloramine reduction or used upstream of ion exchange resin to extend bed life. Effective in water with pH 6.5-8.5 and temperatures up to 130°F.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eMAINTENANCE\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cdiv class=\"filter-schedule\"\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eEvery 3-5 Years\u003c\/div\u003e\n\u003ch4\u003eStandard Residential Use\u003c\/h4\u003e\n\u003cp\u003eReplace KDF-55 media in typical whole-house systems treating municipal water. Actual lifespan depends on water quality and volume processed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eEvery 1-2 Years\u003c\/div\u003e\n\u003ch4\u003eHigh-Chlorine Environments\u003c\/h4\u003e\n\u003cp\u003eMore frequent replacement needed in areas with chlorine levels above 2 ppm or if treating water for commercial applications with high flow rates.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eAs Needed\u003c\/div\u003e\n\u003ch4\u003eBackwash Maintenance\u003c\/h4\u003e\n\u003cp\u003eBackwash KDF-55 beds every 2-4 weeks to remove accumulated particulates and redistribute granules for optimal contact time and performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"benefits-strip\"\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e♻️\u003c\/div\u003e\n\u003ch4\u003eEnvironmentally Responsible\u003c\/h4\u003e\n\u003cp\u003eNo chemical additives required. Media is recyclable and creates no harmful byproducts during filtration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🔧\u003c\/div\u003e\n\u003ch4\u003eVersatile Integration\u003c\/h4\u003e\n\u003cp\u003eUse alone or blend with GAC, catalytic carbon, or other media for multi-contaminant treatment strategies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e📊\u003c\/div\u003e\n\u003ch4\u003eProven Performance\u003c\/h4\u003e\n\u003cp\u003eWatts KDF-55 meets NSF\/ANSI Standard 61 for drinking water system components and delivers consistent redox capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":35470144241826,"sku":"KDF55-1","price":34.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536608813218-padded.jpg?v=1777266841"},{"product_id":"kdf-55-kdf55-drum-process-media-specialized-for-chlorine-and-heavy-metal-removal-1-3-cubic-foot-cf-57-lbs","title":"KDF-55 (KDF55-DRUM) Process Media Specialized for Chlorine and Heavy Metal Removal - 1\/3 Cubic Foot (CF) 57 lbs","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM 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!important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eWatts Premium Process Media\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003eKDF-55 (KDF55-DRUM)\u003c\/em\u003e Process Media for Chlorine \u0026amp; Heavy Metal Removal\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eHigh-purity copper-zinc granules engineered for redox filtration in municipal water treatment systems\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 1\/3 Cubic Foot (57 lbs)\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 15,000 Gallons Per Pound\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Patented Redox Technology\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Chemical-Free Treatment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eKDF-55 process media uses oxidation\/reduction reactions to remove chlorine, heavy metals, and control microorganisms without chemicals. Each pound of \u003cstrong\u003eKDF-55 media\u003c\/strong\u003e delivers approximately \u003cstrong\u003e15,000 gallons of chlorine removal capacity\u003c\/strong\u003e, making it highly efficient for point-of-entry municipal water treatment with modest tank size requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eRedox Filtration Technology\u003c\/h2\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔬\u003c\/span\u003e\n\u003ch3\u003eHigh-Purity Copper-Zinc Granules\u003c\/h3\u003e\n\u003cp\u003ePatented formulation uses electron exchange (redox) reactions to effectively reduce and remove contaminants from potable water supplies\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e💧\u003c\/span\u003e\n\u003ch3\u003eEffective Chlorine Removal\u003c\/h3\u003e\n\u003cp\u003ePurpose-built for point-of-entry treatment of municipal water, removing chlorine through catalytic redox reactions rather than absorption\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e⚗️\u003c\/span\u003e\n\u003ch3\u003eHeavy Metal Reduction\u003c\/h3\u003e\n\u003cp\u003eRemoves lead, mercury, cadmium, and other dissolved heavy metals through electrochemical interaction with the copper-zinc media bed\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🦠\u003c\/span\u003e\n\u003ch3\u003eMicroorganism Control\u003c\/h3\u003e\n\u003cp\u003eInhibits bacterial growth and controls microorganisms in water systems without introducing chemical biocides or additives\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e📦\u003c\/span\u003e\n\u003ch3\u003eCompact Tank Requirements\u003c\/h3\u003e\n\u003cp\u003eHigh efficiency means smaller system footprints and more economical engineering compared to carbon-only filtration systems\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e♻️\u003c\/span\u003e\n\u003ch3\u003eEnvironmentally Responsible\u003c\/h3\u003e\n\u003cp\u003eChemical-free treatment process that's backwashable and long-lasting, reducing waste and ongoing maintenance costs\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eSystem Integration\u003c\/h2\u003e\n\u003cp\u003eThe KDF55-DRUM is designed for point-of-entry (POE) whole-house water treatment systems treating municipal chlorinated water. This 1\/3 cubic foot drum (57 lbs) is compatible with standard media tanks and is often used upstream of carbon filtration or as a standalone treatment stage. KDF-55 media works in conjunction with backwashing control valves and is suitable for commercial and residential applications where chlorine, heavy metals, and microbial control are priorities. Can be used with chloramine reduction systems when paired with catalytic carbon media.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eWatts KDF-55 process media is manufactured to exacting standards and backed by decades of proven performance in municipal water treatment applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":35470144372898,"sku":"KDF-55","price":1131.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/kdf-55-kdf55-drum-process-media-specialized-for-chlorine-and-heavy-metal-removal-13-cubic-foot-cf-57-lbs-449383.jpg?v=1759500179"},{"product_id":"kdf-85-wst-m-kdf85057-1-process-media-specialized-for-iron-hydrogen-sulfide-removal-1-lb-bag","title":"KDF-85 (WST-M-KDF85057-1) Process Media Specialized for Iron \u0026 Hydrogen Sulfide Removal - 1 lb Bag","description":"\n\u003clink 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.benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eWatts WST-M-KDF85057-1\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003eKDF-85 Process Media\u003c\/em\u003e for Iron \u0026amp; Hydrogen Sulfide Removal\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003eHigh-purity copper-zinc granules engineered for redox filtration at point-of-entry. 1 lb bag treats up to 10,000 gallons for chlorine, controls iron and hydrogen sulfide without chemicals.\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003eRedox Filtration\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eIron \u0026amp; H₂S Removal\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e1 lb Bag\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eWHY IT WORKS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eRedox Chemistry for Heavy Metal and Sulfide Control\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e⚡\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eOxidation-Reduction Reaction\u003c\/h3\u003e\n\u003cp\u003eHigh-purity copper-zinc granules exchange electrons to catalyze redox reactions, converting soluble iron and hydrogen sulfide into filterable particles without chemical additives.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🦠\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eMicroorganism Control\u003c\/h3\u003e\n\u003cp\u003eKDF-85 media disrupts microbial cell walls through electrochemical processes, controlling bacteria growth in potable water systems without residual disinfectants.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e💧\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eChlorine Reduction\u003c\/h3\u003e\n\u003cp\u003eEvery pound of KDF-85 removes chlorine from approximately 10,000 gallons, extending the life of downstream carbon filters and protecting membranes in multi-stage systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🏗️\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eCompact Footprint\u003c\/h3\u003e\n\u003cp\u003eHigh efficiency per volume means smaller tank requirements compared to conventional oxidation media, reducing installation costs and space demands for point-of-entry systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003ePoint-of-Entry Municipal Water Treatment\u003c\/h3\u003e\n\u003cp\u003eKDF-85 media is designed for whole-house filtration tanks treating municipal water supplies with elevated iron, hydrogen sulfide, or chlorine levels. Compatible with standard upflow or downflow backwashing filter tanks. Not intended for well water with high tannin content or extremely low pH (below 6.5). Works synergistically with catalytic carbon, birm, and manganese greensand in multi-media configurations. Consult your tank manufacturer for recommended bed depth and backwash rates based on flow requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eMAINTENANCE\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eBackwash Schedule and Media Lifespan\u003c\/h3\u003e\n\u003cdiv class=\"filter-schedule\"\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eEvery 3-7 Days\u003c\/div\u003e\n\u003ch4\u003eBackwash Cycle\u003c\/h4\u003e\n\u003cp\u003eBackwash KDF-85 media to remove accumulated iron precipitates and flush out hydrogen sulfide byproducts. Frequency depends on contaminant load and flow rate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eEvery 6-12 Months\u003c\/div\u003e\n\u003ch4\u003eBed Inspection\u003c\/h4\u003e\n\u003cp\u003eCheck media bed depth and inspect for channeling or compaction. Top off media as needed to maintain proper bed depth for contact time and filtration efficiency.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003e3-5 Years\u003c\/div\u003e\n\u003ch4\u003eMedia Replacement\u003c\/h4\u003e\n\u003cp\u003eReplace KDF-85 media when chlorine reduction capacity declines or iron removal efficiency drops. Lifespan varies with water chemistry and backwash maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"benefits-strip\"\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🔬\u003c\/div\u003e\n\u003ch4\u003eNSF Certified Components\u003c\/h4\u003e\n\u003cp\u003eManufactured to NSF\/ANSI Standard 61 for drinking water system components and materials\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e♻️\u003c\/div\u003e\n\u003ch4\u003eEnvironmentally Responsible\u003c\/h4\u003e\n\u003cp\u003eNo chemical regeneration required, recyclable copper-zinc alloy reduces waste compared to disposable cartridges\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🇺🇸\u003c\/div\u003e\n\u003ch4\u003eWatts Quality\u003c\/h4\u003e\n\u003cp\u003eBacked by Watts' engineering expertise in water treatment media and filtration systems since 1874\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":35470144471202,"sku":"KDF85-DRUM-1","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/kdf-85-wst-m-kdf85057-1-process-media-specialized-for-iron-hydrogen-sulfide-removal-1-lb-bag-886839.jpg?v=1759500181"},{"product_id":"kdf-85-process-media-specialized-for-iron-hydrogen-sulfide-removal-1-3-cubic-foot-cf-57-lbs","title":"KDF-85 Process Media Specialized for Iron \u0026 Hydrogen Sulfide Removal - 1\/3 Cubic Foot (CF) 57 lbs","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    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.ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nKDF-85 Process Media delivers powerful iron and hydrogen sulfide removal through high-purity copper-zinc granules that work via redox reactions, requiring no chemicals for point-of-entry municipal water treatment. This 1\/3 cubic foot package (57 lbs) provides up to 10,000 gallons of chlorine removal per pound while simultaneously controlling microorganisms in potable water systems.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eKDF-85 Media Overview\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003ePackage Size\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e1\/3 CF\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e57 pounds net weight\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMedia Type\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eKDF-85\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eCopper-zinc granules\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003ePrimary Function\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eIron \u0026amp; H₂S\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eRedox removal process\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eCapacity\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e10,000 gal\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003ePer pound for chlorine\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eApplication\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003ePOE Systems\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eWhole house treatment\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003ePurity Grade\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eHigh Purity\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003ePatented formulation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eProcess Media Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia Composition\u003c\/td\u003e\n\u003ctd\u003eHigh-purity copper-zinc alloy granules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment Method\u003c\/td\u003e\n\u003ctd\u003eOxidation\/reduction (redox) reaction via electron exchange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Contaminants\u003c\/td\u003e\n\u003ctd\u003eIron, hydrogen sulfide, chlorine, microorganisms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank Requirements\u003c\/td\u003e\n\u003ctd\u003eModest sizing for economical system engineering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical Usage\u003c\/td\u003e\n\u003ctd\u003eZero – environmentally responsible treatment process\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Flow Design\u003c\/td\u003e\n\u003ctd\u003ePoint-of-entry municipal water supply applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia Weight (1\/3 CF)\u003c\/td\u003e\n\u003ctd\u003e57 pounds per package\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eRecommended Use Cases\u003c\/h2\u003e\n\u003cp\u003eKDF-85 Process Media is engineered specifically for point-of-entry whole house systems treating municipal water supplies with elevated iron and hydrogen sulfide levels. The media performs optimally in standard filter tanks and vessels designed for granular media applications. Compatible with most POE filtration systems requiring chemical-free iron and H₂S reduction. Ideal for residential and light commercial installations where well water or municipal supplies exhibit iron staining, rotten egg odor from hydrogen sulfide, or require broad-spectrum microorganism control. The 1\/3 cubic foot size suits typical 10-inch diameter tanks or can be combined with other media in larger vessels for multi-stage treatment protocols.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 KDF-85 works best when iron is in its dissolved ferrous state rather than oxidized particulate form. If you're dealing with visible rust particles, consider pre-filtration or oxidation stages before the KDF media to maximize service life and performance efficiency.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Isopure Water","offers":[{"title":"Default Title","offer_id":35470145683618,"sku":"KDF85-DRUM","price":1850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/kdf-85-process-media-specialized-for-iron-hydrogen-sulfide-removal-13-cubic-foot-cf-57-lbs-222498.jpg?v=1759500181"}],"url":"https:\/\/www.isopurewater.com\/collections\/nav-kdf.oembed","provider":"Isopure Water","version":"1.0","type":"link"}