{"product_id":"freshwater-stain-scale-defense","title":"FreshWater Stain \u0026 Scale Defense | Spa Sequestrant","description":"\u003cp\u003e\u003cstrong\u003eFreshWater Stain \u0026amp; Scale Defense\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a weekly maintenance treatment that prevents calcium scale from forming on spa surfaces and equipment, and prevents dissolved metals (iron, copper, manganese) from staining your spa shell. Active ingredient: a blend of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eorganic polymers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat bind to calcium and metal ions and keep them suspended in solution where they can't deposit or react.\u003c\/p\u003e\n\u003cp\u003eThis product handles two of the most common long-term damage modes in a residential hot tub:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003escale\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(white, crusty calcium deposits on heaters, jets, and water lines) and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emetallic staining\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(brown, blue-green, or rust-colored discoloration on the spa shell). Once either of these problems is visible, they're expensive to reverse — scale destroys heaters and shortens salt cartridge life, and metallic stains can permanently mark a spa shell. Stain \u0026amp; Scale Defense is preventive maintenance that costs less than fixing the damage it prevents.\u003c\/p\u003e\n\u003cp\u003eImportant distinction: this is a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esequestrant\u003c\/strong\u003e, not a remover. Stain \u0026amp; Scale Defense chemically binds to calcium and metals so they don't form scale or stains — but the minerals stay in your water. If you have genuinely high calcium hardness (especially in salt-system spas), you also need\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFreshWater Vanishing Act Calcium Remover\u003c\/strong\u003e, which physically removes calcium via ion-exchange resin. The two products handle related but different problems: Stain \u0026amp; Scale Defense manages what's there; Vanishing Act gets rid of what's there.\u003c\/p\u003e\n\u003cdiv class=\"lti-pro-tip\"\u003e\n\u003cstrong\u003ePro Tip:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIf you fill your spa from a well, or live in a hard-water region with municipal water above 150 ppm, add a dose of Stain \u0026amp; Scale Defense\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebefore\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethe first chlorine or shock treatment on a fresh fill. Wait 24 hours, then add sanitizers. This prevents dissolved iron and copper from oxidizing and depositing as stains the moment chlorine hits the water — the most common cause of brown or green-tinted shells on freshly filled spas.\u003c\/div\u003e\n\u003cdiv class=\"lti-pro-tip\"\u003e\n\u003cdiv class=\"lti-pro-tip\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lti-pro-tip\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan aria-label=\"®\" role=\"img\"\u003eFreshWater®\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"FreshWater","offers":[{"title":"Default Title","offer_id":31818497065015,"sku":"80042","price":12.39,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2507\/5288\/files\/FreshWater_Stain_And_Scale.jpg?v=1778263669","url":"https:\/\/leisuretimeinc.com\/products\/freshwater-stain-scale-defense","provider":"Leisure Time Inc.","version":"1.0","type":"link"}