{"title":"pH Neutralizing Media","description":null,"products":[{"product_id":"imerys-a8021-01-calcite-neutralizes-low-ph-or-acidic-water-0-55-cf-50-lbs","title":"Imerys (A8021-01) Calcite - Neutralizes Low pH or Acidic Water - 0.55 CF 50 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 Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 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!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  \u003cdiv class=\"ro-hero\"\u003e\n    \u003cdiv class=\"ro-eyebrow\"\u003eImerys pH Neutralizing Media\u003c\/div\u003e\n    \u003ch2\u003eCalcite Neutralizing Media (A8021-01) – 0.55 CF \/ 50 Lbs.\u003c\/h2\u003e\n    \u003cdiv class=\"ro-tagline\"\u003eSelf-limiting calcium carbonate media raises pH and protects plumbing from acidic corrosion\u003c\/div\u003e\n    \u003cdiv class=\"ro-badges\"\u003e\n      \u003cspan class=\"ro-badge\"\u003e16x40 Mesh\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003eNear White Granular\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003e95% CaCO₃\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003e0.55 Cu. Ft.\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-callout\"\u003e\n    \u003cp\u003eThe Imerys A8021-01 Calcite media is a naturally occurring calcium carbonate designed to neutralize low pH water between 5.0 and 7.0. Its self-limiting chemistry corrects acidity just enough to reach equilibrium without overcorrecting, and it reduces corrosion-driven leaching of copper, lead, and other metals from pipes and fixtures.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eHOW IT WORKS\u003c\/div\u003e\n    \u003ch3 class=\"ro-title\"\u003eControlled pH Correction Through Dissolution\u003c\/h3\u003e\n    \u003cdiv class=\"stage-pipeline\"\u003e\n      \u003cdiv class=\"stage-row\"\u003e\n        \u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n        \u003cdiv class=\"stage-num\"\u003e1\u003c\/div\u003e\n        \u003cdiv class=\"stage-body\"\u003e\n          \u003cspan class=\"stage-tag\"\u003eCONTACT\u003c\/span\u003e\n          \u003ch3\u003eAcidic Water Enters Bed\u003c\/h3\u003e\n          \u003cp\u003eLow pH water flows through 24–30 inches of 16x40 mesh Calcite media at 3–6 gpm per square foot.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"stage-row\"\u003e\n        \u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n        \u003cdiv class=\"stage-num\"\u003e2\u003c\/div\u003e\n        \u003cdiv class=\"stage-body\"\u003e\n          \u003cspan class=\"stage-tag\"\u003eDISSOLUTION\u003c\/span\u003e\n          \u003ch3\u003eCalcium Carbonate Releases Alkalinity\u003c\/h3\u003e\n          \u003cp\u003eAcidic water dissolves the CaCO₃ media, raising pH and buffering the water to a non-corrosive state. The reaction is slow and self-limiting.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"stage-row\"\u003e\n        \u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n        \u003cdiv class=\"stage-num\"\u003e3\u003c\/div\u003e\n        \u003cdiv class=\"stage-body\"\u003e\n          \u003cspan class=\"stage-tag\"\u003eMAINTENANCE\u003c\/span\u003e\n          \u003ch3\u003eBackwashing and Replenishment\u003c\/h3\u003e\n          \u003cp\u003ePeriodic backwashing at 8–12 gpm per square foot prevents packing and reclassifies the bed. Media is replenished as it depletes over time.\u003c\/p\u003e\n          \u003cspan class=\"stage-part\"\u003eReplenish as depleted based on pH and flow\u003c\/span\u003e\n        \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\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003ch3 class=\"ro-title\"\u003eMedia Properties and Operating Conditions\u003c\/h3\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eVolume\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e0.55 cubic feet (50 lbs.)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eMesh Size\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e16 x 40\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eEffective Size\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e0.4 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eBulk Density\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e90 lbs.\/cu. ft.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eComposition\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e95% min. CaCO₃, 3.0% max. MgCO₃\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003epH Range\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e5.0–7.0\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eService Flow Rate\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e3–6 gpm\/sq. ft.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eBackwash Rate\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e8–12 gpm\/sq. ft.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eBed Depth\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e24–30 inches\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eFreeboard\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e50% of bed depth (min.)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eBackwash Expansion\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e35% of bed depth\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\u003c\/div\u003e\n    \u003ch3 class=\"ro-title\"\u003eSystem Integration and Considerations\u003c\/h3\u003e\n    \u003cp\u003eThe Imerys A8021-01 Calcite media is designed for use in upflow or downflow neutralizing tanks with a gravel support bed and works with Clack, Fleck, and other standard control valves rated for pH correction. Because the dissolution process raises calcium levels, a water softener downstream may be necessary to manage increased hardness. This 0.55 cubic foot bag is suitable for residential and light commercial applications treating water with pH between 5.0 and 7.0.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Clack","offers":[{"title":"Default Title","offer_id":35470145847458,"sku":"A8021-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/imerys-a8021-01-calcite-neutralizes-low-ph-or-acidic-water-055-cf-50-lbs-917396.jpg?v=1762459464"},{"product_id":"imerys-1317-65-3-calcite-neutralizes-low-ph-or-acidic-water-1-lb","title":"IPW Industries Inc (1317-65-3) Calcite - Neutralizes Low pH or Acidic Water - 1 Lb.","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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td{padding:10px 12px;border-bottom:1px solid var(--slate);color:var(--text);}\n  .ro-wrap .conditions-table tr:nth-child(even) td{background:var(--offwhite);}\n  .ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 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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  \u003cdiv class=\"ro-hero\"\u003e\n    \u003cdiv class=\"ro-eyebrow\"\u003eImerys\u003c\/div\u003e\n    \u003ch2\u003eCalcite pH Neutralizing Media (1317-65-3)\u003c\/h2\u003e\n    \u003cdiv class=\"ro-tagline\"\u003eNaturally occurring calcium carbonate that corrects acidic water without overcorrection\u003c\/div\u003e\n    \u003cdiv class=\"ro-badges\"\u003e\n      \u003cspan class=\"ro-badge\"\u003e16x40 Mesh\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003e95% CaCO₃\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003eSelf-Limiting\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003e1 Lb.\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-callout\"\u003e\n    \u003cp\u003eCalcite dissolves slowly in acidic water to raise pH and reduce metal leaching from pipes. Its self-limiting chemistry stops at a non-corrosive equilibrium, preventing the overcorrection common with other neutralizing media.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eHOW IT WORKS\u003c\/div\u003e\n    \u003ch3 class=\"ro-title\"\u003eControlled pH Correction Through Dissolution\u003c\/h3\u003e\n    \u003cdiv class=\"stage-pipeline\"\u003e\n      \u003cdiv class=\"stage-row\"\u003e\n        \u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n        \u003cdiv class=\"stage-num\"\u003e1\u003c\/div\u003e\n        \u003cdiv class=\"stage-body\"\u003e\n          \u003cspan class=\"stage-tag\"\u003eCONTACT\u003c\/span\u003e\n          \u003ch3\u003eAcidic Water Entry\u003c\/h3\u003e\n          \u003cp\u003eLow pH water (5.0-7.0) enters the calcite bed at 3-6 gpm per square foot. The 16x40 mesh size and 1.5 uniformity coefficient ensure consistent contact time without channeling.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"stage-row\"\u003e\n        \u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n        \u003cdiv class=\"stage-num\"\u003e2\u003c\/div\u003e\n        \u003cdiv class=\"stage-body\"\u003e\n          \u003cspan class=\"stage-tag\"\u003eDISSOLUTION\u003c\/span\u003e\n          \u003ch3\u003eCalcium Carbonate Release\u003c\/h3\u003e\n          \u003cp\u003eThe acidic water slowly dissolves calcium carbonate from the calcite media. This controlled reaction raises pH gradually, preventing the alkaline spikes that damage plumbing and taste.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"stage-row\"\u003e\n        \u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n        \u003cdiv class=\"stage-num\"\u003e3\u003c\/div\u003e\n        \u003cdiv class=\"stage-body\"\u003e\n          \u003cspan class=\"stage-tag\"\u003eEQUILIBRIUM\u003c\/span\u003e\n          \u003ch3\u003eSelf-Limiting Correction\u003c\/h3\u003e\n          \u003cp\u003eAs pH rises to non-corrosive levels, dissolution slows and stops naturally. Backwash at 8-12 gpm per square foot every few weeks to reclassify the bed and prevent packing.\u003c\/p\u003e\n        \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\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003ch3 class=\"ro-title\"\u003ePhysical Properties\u003c\/h3\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eComposition\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eCaCO₃ 95% min., MgCO₃ 3% max.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eMesh Size\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e16 x 40\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eEffective Size\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e0.4 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eUniformity Coefficient\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e1.5\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eBulk Density\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e90 lbs.\/cu. ft.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eSpecific Gravity\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e2.7\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eHardness\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e3.0 Mohs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eColor\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eNear white\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\"\u003eOPERATING CONDITIONS\u003c\/div\u003e\n    \u003ch3 class=\"ro-title\"\u003eInstallation Requirements\u003c\/h3\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eWater pH Range\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e5.0 - 7.0\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eBed Depth\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e24 - 30 inches\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eFreeboard\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e50% of bed depth (minimum)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eService Flow Rate\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e3 - 6 gpm\/sq. ft.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eBackwash Rate\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e8 - 12 gpm\/sq. ft.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eBackwash Expansion\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e35% of bed depth\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eGravel Support\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eRecommended\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\u003c\/div\u003e\n    \u003ch3 class=\"ro-title\"\u003eSystem Considerations\u003c\/h3\u003e\n    \u003cp\u003eThe IPW Industries 1317-65-3 calcite media requires a properly sized neutralizing tank with gravel underbed support and adequate freeboard for backwashing. As the calcium carbonate neutralizes acidic water, it increases hardness levels, so plan for a water softener downstream if your source water already contains moderate hardness. Calcite depletes over time based on influent pH and flow rates, so periodic media replenishment is part of normal operation. This 1 lb. package is suitable for topping off existing beds or testing small-scale applications before committing to bulk quantities.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Imerys","offers":[{"title":"Default Title","offer_id":35470146371746,"sku":"WST-M-CALCITE-1","price":2.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/41MfKBUzkFL._AC_UF894_1000_QL80.jpg?v=1782746888"},{"product_id":"clack-a8011-corosex-aggressive-ph-correction-media-for-acidic-water-0-66-cf-bag","title":"Clack (A8011) Corosex Aggressive pH Correction Media for Acidic Water 0.66 CF 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    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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-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eClack A8011 pH Correction Media\u003c\/div\u003e\n\u003ch2\u003eCorosex Aggressive pH Neutralizer 0.66 CF\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eMagnesium oxide media for rapid correction of highly acidic water in the 4.0–6.0 pH range\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003eMgO 97% Min\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e6×16 Mesh\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e0.66 Cubic Feet\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eHigh Flow Capable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nClack Corosex is a highly reactive magnesium oxide media designed for aggressive pH correction where substantial neutralization or high flow rates are required. On a per-weight basis, it neutralizes five times more acidity than calcium carbonate, resulting in faster correction and reduced chemical usage compared to standard calcite media.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eHOW IT WORKS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eNeutralization Process\u003c\/h3\u003e\n\n\u003cdiv class=\"stage-pipeline\"\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e1\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eCONTACT\u003c\/span\u003e\n\u003ch3\u003eMagnesium Oxide Reaction\u003c\/h3\u003e\n\u003cp\u003eAcidic water flows through the Corosex bed where magnesium oxide rapidly neutralizes free carbon dioxide and raises pH. The high reactivity allows for effective correction even at high flow rates of 5–6 gpm per square foot.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e2\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eDISSOLUTION\u003c\/span\u003e\n\u003ch3\u003eMedia Consumption\u003c\/h3\u003e\n\u003cp\u003eCorosex is soluble to acidity and will slowly dissolve as it neutralizes the water. The rate of dissolution depends on incoming pH, flow rate, and water chemistry. Periodic replenishment is required based on usage and monitoring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e3\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eHARDNESS\u003c\/span\u003e\n\u003ch3\u003eMineral Addition\u003c\/h3\u003e\n\u003cp\u003eAs magnesium oxide neutralizes acidic water, it increases hardness levels. A water softener may be necessary downstream of the neutralizing filter depending on incoming hardness and desired finished water quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003ePhysical Properties\u003c\/h3\u003e\n\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eModel Number\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eA8011 Corosex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eVolume\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e0.66 cubic feet per bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eMesh Size\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e6×16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eBulk Density\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e75 lbs\/cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eComposition\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eMagnesium oxide (MgO) 97% minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eColor\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eBrownish white\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eEffective Size\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e1.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eSpecific Gravity\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e3.6 gm\/cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eUniformity Coefficient\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e1.7\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\"\u003eOPERATING CONDITIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eInstallation Requirements\u003c\/h3\u003e\n\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eWater pH Range\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e4.5–6.0 (aggressive correction from 4.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eService Flow Rate\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e5–6 gpm\/sq. ft. (may be modified for local conditions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eBackwash Rate\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e10–12 gpm\/sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eBed Depth\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e24–30 inches recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eFreeboard\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e50% of bed depth minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eMaximum Usage\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e100 mg\/L acidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eGravel Support\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eRecommended for proper distribution\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\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eSystem Configuration Notes\u003c\/h3\u003e\n\u003cp\u003eDownflow service is generally satisfactory on waters with hardness less than 5 grains per gallon or where Corosex is combined with Calcite media in at least a 50\/50 blend. Upflow service is recommended with hardness exceeding 5 gpg to prevent cementing of the media bed. Always use upflow distributors and an inline sediment filter ahead of upflow systems to prevent plugging of the lower distribution screen. Under low flow conditions, Corosex may overcorrect and create high pH; blending with Clack Calcite combines the high-flow neutralization of Corosex with the slower-reacting properties of Calcite to reduce overcorrection. Backwash frequently to prevent possible cementing, especially in hard water applications. Under certain hardness conditions, pH correction can cause hardness minerals to precipitate and solidify the mineral bed.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Clack","offers":[{"title":"Default Title","offer_id":35470159315106,"sku":"A8011","price":263.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536616054946-padded.jpg?v=1777259136"},{"product_id":"pur-cal-a8021-01-calcite-neutralizes-low-ph-or-acidic-water-0-55-cf-50-lbs","title":"Pur-Cal (A8021-50) Calcite - Neutralizes Low pH or Acidic Water - 0.55 CF 50 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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!important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !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 A8021-50\u003c\/div\u003e\n\u003ch2\u003ePur-Cal Calcite pH Neutralizing Media\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eNaturally occurring calcium carbonate that corrects acidic water without overcorrection\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e0.55 CF \/ 50 lbs\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e16x40 Mesh\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003epH 5.0–7.0\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eSelf-Limiting\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003ePur-Cal A8021-50 is a naturally occurring calcium carbonate media engineered for controlled pH correction in acidic water systems. Its self-limiting chemistry raises pH only to a non-corrosive equilibrium, reducing copper and lead leaching without overcorrection that would require additional treatment stages.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eHOW IT WORKS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003epH Neutralization Process\u003c\/h2\u003e\n\u003cdiv class=\"stage-pipeline\"\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e1\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eCONTACT\u003c\/span\u003e\n\u003ch3\u003eAcidic Water Enters Bed\u003c\/h3\u003e\n\u003cp\u003eLow pH water flows through 24–30 inches of calcite media at 3–6 gpm per square foot, maximizing contact time with calcium carbonate granules.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e2\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eDISSOLUTION\u003c\/span\u003e\n\u003ch3\u003eCalcium Carbonate Releases\u003c\/h3\u003e\n\u003cp\u003eAcidic water slowly dissolves the calcite, releasing calcium carbonate into solution and raising pH toward neutral equilibrium between 7.0 and 8.0.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e3\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eNEUTRALIZATION\u003c\/span\u003e\n\u003ch3\u003epH Stabilizes Automatically\u003c\/h3\u003e\n\u003cp\u003eSelf-limiting chemistry stops further dissolution once non-corrosive pH is reached, preventing overcorrection and protecting downstream plumbing from metal leaching.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e4\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eBACKWASH\u003c\/span\u003e\n\u003ch3\u003eMedia Maintenance Cycle\u003c\/h3\u003e\n\u003cp\u003ePeriodic backwashing at 8–12 gpm per square foot reclassifies the bed and prevents packing. Media requires replenishment as calcite depletes over time.\u003c\/p\u003e\n\u003cspan class=\"stage-part\"\u003eService life varies by pH and flow rate\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL SPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eMedia Properties \u0026amp; Operating Conditions\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eModel Number\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eA8021-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eMedia Type\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eNatural Calcium Carbonate (Calcite)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eVolume\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e0.55 Cubic Feet \/ 50 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eMesh Size\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e16 x 40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eEffective Size\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e0.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eBulk Density\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e90 lbs per cubic foot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eComposition\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e95% min. CaCO₃, 3% max. MgCO₃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003epH Range\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e5.0–7.0 (inlet water)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eService Flow Rate\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e3–6 gpm per square foot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eBackwash Rate\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e8–12 gpm per square foot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eBed Depth\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e24–30 inches recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eFreeboard\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e50% of bed depth minimum\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\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eSystem Requirements\u003c\/h2\u003e\n\u003cp\u003ePur-Cal A8021-50 requires a gravel support bed and appropriate tank sizing for 50% freeboard above the media bed. Because calcite neutralization increases water hardness, a water softener may be necessary downstream for households with existing hard water or high service flow rates. This media is designed for pH correction in the 5.0–7.0 range; severely acidic water below pH 5.0 may require blended media or multiple treatment stages. Flow rates and bed depth should be adjusted based on local water chemistry and target pH levels.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":42532713070763,"sku":"A8021-50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pur-cal-a8021-50-calcite-neutralizes-low-ph-or-acidic-water-055-cf-50-lbs-215830.jpg?v=1762465585"},{"product_id":"ipw-industries-inc-calcite-neutralizes-low-ph-or-acidic-water-0-55-cf-50-lbs","title":"IPW Industries Inc.- Calcite - Neutralizes Low pH or Acidic Water - 0.55 CF 50 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-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003epH Neutralization Media\u003c\/div\u003e\n\u003ch2\u003eIPW Industries \u003cem\u003eCalcite\u003c\/em\u003e – 0.55 CF (50 lbs.)\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eNaturally occurring calcium carbonate media that corrects acidic water without overcorrection\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Self-limiting pH correction\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Reduces metal leaching\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 16x40 mesh\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 95% CaCO₃ purity\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eCalcite slowly dissolves on contact with acidic water to raise pH levels and create a non-corrosive equilibrium in your plumbing system. This \u003cstrong\u003e0.55 cubic foot (50 lb.)\u003c\/strong\u003e media bed treats water in the \u003cstrong\u003epH 5.0–7.0 range\u003c\/strong\u003e and prevents copper, lead, and metal leaching from pipes and fixtures. Periodic backwashing maintains bed porosity and service flow rates.\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\u003ch3 class=\"ro-title\"\u003eWhy Calcite Works for Acidic Water\u003c\/h3\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\u003eSelf-Limiting Action\u003c\/h3\u003e\n\u003cp\u003eCorrects pH only to a non-corrosive equilibrium, preventing overcorrection under typical operating conditions\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\u003eProtects Plumbing\u003c\/h3\u003e\n\u003cp\u003eReduces leaching of copper, lead, and other metals from pipes, fixtures, and water heater tanks\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\u003eRenewable Media Bed\u003c\/h3\u003e\n\u003cp\u003eAs the calcium carbonate neutralizes acidity it depletes gradually and can be replenished on schedule\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\u003eLow Uniformity Coefficient\u003c\/h3\u003e\n\u003cp\u003e1.5 UC ensures maximum contact time between water and media for controlled, consistent pH correction\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\u003eSlow Reaction Rate\u003c\/h3\u003e\n\u003cp\u003eControlled dissolution prevents pH spikes and maintains stable water chemistry throughout the system\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\u003eEasy to Service\u003c\/h3\u003e\n\u003cp\u003eBackwash at 8–12 gpm\/sq. ft. to prevent packing and reclassify the bed for optimal performance\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\"\u003eTECHNICAL SPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003ePhysical Properties \u0026amp; Operating Parameters\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComposition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCaCO₃ 95% min., MgCO₃ 3.0% max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMesh Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEffective Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUniformity Coefficient\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBulk Density\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 lbs.\/cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecific Gravity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHardness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0 (Mohs scale)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNear white\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Treatment Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.0–7.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Bed Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24–30 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFreeboard Minimum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50% of bed depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eService Flow Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–6 gpm\/sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackwash Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8–12 gpm\/sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackwash Bed Expansion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35% of bed depth\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\u003ch3 class=\"ro-title\"\u003eInstallation Requirements\u003c\/h3\u003e\n\u003cp\u003eIPW Industries Calcite is designed for whole-house neutralizing filters treating acidic well water or municipal supplies with low pH. Install in tanks sized for 24–30 inch bed depth with a gravel support bed at the bottom. A water softener is often required downstream to manage the hardness added during neutralization. Compatible with standard upflow neutralizer tanks, automatic backwash valve heads, and bypass assemblies. Ideal for homes experiencing blue-green staining, pinhole leaks in copper, or metallic taste from acidic source water.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eIPW Industries Calcite is a proven, naturally occurring solution trusted by water treatment professionals for decades to correct low pH and extend the life of plumbing systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Isopure Water","offers":[{"title":"Default Title","offer_id":43597565788331,"sku":"IPW: A8021-50","price":99.0,"currency_code":"USD","in_stock":true}]}],"url":"https:\/\/www.isopurewater.com\/collections\/nav-media-ph.oembed","provider":"Isopure Water","version":"1.0","type":"link"}