{"product_id":"natural-chemistry-extra-strength-stain-free-1-75-lb-metal-stain-remover-for-pool-liners","title":"Natural Chemistry Extra Strength Stain Free – 1.75 lb Metal Stain Remover for Pool Liners","description":"\u003ch2\u003ePowerful, all-natural stain removal\u003c\/h2\u003e\n\u003cp\u003eNatural Chemistry Extra Strength Stain Free is formulated with industrial-strength ascorbic acid to lift metal stains from pool liners and finishes without adding phosphates to your water. The formula is non-toxic and environmentally friendly, supporting safer, clearer pool water.\u003c\/p\u003e\n\u003ch2\u003eWhy pool owners choose Stain Free\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eTough on old set-in stains from metals, helping surfaces look closer to their original color.\u003c\/li\u003e\n  \u003cli\u003ePhosphate-free and compatible with all sanitizing systems, so you can maintain balance with your existing setup.\u003c\/li\u003e\n  \u003cli\u003ePairs well with Natural Chemistry Metal Free for a confident two-step approach to stain fighting.\u003c\/li\u003e\n  \u003cli\u003ePackaged in a 12-pack, with each container weighing about 1.75 pounds, designed for ongoing care.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003eRecommended dose is 1 pound per 10,000 gallons of water. Balance pool water and lower chlorine to at least 1 ppm before application. Apply the product around the pool perimeter with the pump running, then brush the pool thoroughly. If stains persist, repeat the application.\u003c\/p\u003e\n\u003ch2\u003eMaintenance and best practices\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eUse as a weekly maintenance treatment to support a stain-free appearance.\u003c\/li\u003e\n  \u003cli\u003eFollow with proper filter care: add a pulp-based filter aid to cartridges or sand filters as directed; ensure DE filters are properly charged if used.\u003c\/li\u003e\n  \u003cli\u003eKeep to safe handling and storage guidelines to maintain product performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePackaging note: Includes 12 stain free containers per pack; container size is 1.75 pounds.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What surfaces does Natural Chemistry Extra Strength Stain Free work on?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It targets metal stains on pool liners and finishes with a natural, phosphate-free formula.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I apply this stain remover for best results?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Balance water, lower chlorine to 1 ppm, apply around the pool perimeter with the pump running, then brush thoroughly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Natural Chemistry","offers":[{"title":"Default Title","offer_id":48213596078324,"sku":"B00C5L7NWU","price":46.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/natural-chemistry-extra-strength-stain-free-bottle.jpg?v=1778476627","url":"https:\/\/www.cerapatiogarden.com\/products\/natural-chemistry-extra-strength-stain-free-1-75-lb-metal-stain-remover-for-pool-liners","provider":"Cera Garden","version":"1.0","type":"link"}