{"product_id":"natural-chemistry-stain-free-1-75-lb-100-citric-acid-stain-remover-for-metal-stains-on-all-pool-surfaces","title":"Natural Chemistry Stain Free – 1.75 lb, 100% Citric Acid Stain Remover for Metal Stains on All Pool Surfaces","description":"\u003ch2\u003eNatural Chemistry Stain Free: a natural approach to pool stain removal\u003c\/h2\u003e\n\u003cp\u003eStain Free is an all-natural stain remover powered by 100% ascorbic acid, the family of vitamin C. It targets metal stains that appear on vinyl pool liners and fiberglass surfaces, helping restore color and clarity without harsh chemicals. The formula is designed with practical pool care in mind, offering a safer alternative for households while keeping maintenance routines straightforward.\u003c\/p\u003e\n\u003cp\u003eOne standout benefit is that Stain Free does not leave residual phosphates in your pool water. This aligns with Natural Chemistry's PHOSfree program, helping support your water care strategy without introducing phosphate byproducts. The product is gentle to users and compatible with your existing sanitizing setup, making it a flexible option for a range of pools.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAll-natural stain remover based on citric acid for metal stains on pool surfaces\u003c\/li\u003e\n  \u003cli\u003e100% citric acid formulation helps lift stains without phosphates\u003c\/li\u003e\n  \u003cli\u003eCompatible with vinyl liners and fiberglass surfaces and works with any sanitizing system\u003c\/li\u003e\n  \u003cli\u003ePhosphate-free residuals support a broader water care approach\u003c\/li\u003e\n  \u003cli\u003eSafe, people-friendly alternative to harsher chemical stain removers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow Stain Free works and where to use it\u003c\/h3\u003e\n\u003cp\u003eThe product uses ascorbic acid to target and soften metal stains, which often originate from metals in fill water, equipment, or pool components. It is effective across all pool surface types and is designed to integrate smoothly with existing sanitizers, helping you keep surfaces looking even and clean.\u003c\/p\u003e\n\u003cp\u003ePractical use cases include staining on vinyl liners where color variation or spotting may occur, and on fiberglass surfaces showing mild discoloration. The approach emphasizes ease of use: apply, allow brief contact time, rinse, and assess the result. Regular use as part of routine maintenance can help maintain a consistent appearance over time.\u003c\/p\u003e\n\n\u003ch3\u003eWhat you can expect in practice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVisible improvement in metal stain appearance over time with regular use\u003c\/li\u003e\n  \u003cli\u003eRestored color and uniformity without phosphates lingering in water\u003c\/li\u003e\n  \u003cli\u003eSeamless compatibility with most sanitizing systems for flexible maintenance\u003c\/li\u003e\n  \u003cli\u003eSupports a natural pond- or pool-care approach when used alongside PHOSfree programs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUsage tips and safety notes\u003c\/h3\u003e\n\u003cp\u003eFollow the product directions for dosing and contact time. Wear protective gloves if handling concentrate and rinse thoroughly after treatment. Store in a cool, dry place away from children and pets. For best results, pair Stain Free with regular water care checks and periodic stain assessments.\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 is Natural Chemistry Stain Free?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Stain Free is an all-natural stain remover based on ascorbic acid (vitamin C) designed to tackle metal stains on pool surfaces without phosphates.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which pool surfaces and systems does it work with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It is suitable for vinyl liners and fiberglass surfaces and works with any sanitizing system.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Natural Chemistry","offers":[{"title":"Default Title","offer_id":48207869870324,"sku":"B002FB73GQ","price":36.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/natural-chemistry-stain-free-bottle-pour.jpg?v=1778426442","url":"https:\/\/www.cerapatiogarden.com\/products\/natural-chemistry-stain-free-1-75-lb-100-citric-acid-stain-remover-for-metal-stains-on-all-pool-surfaces","provider":"Cera Garden","version":"1.0","type":"link"}