{"product_id":"bio-dex-1-qt-bottle-aquadex-50-stain-off-stain-remover-adq50","title":"Bio-Dex Aquadex 50 Stain Off Pool \u0026 Spa Metal Stain Remover, 32 oz ADQ50","description":"\n\u003ch2\u003eBio-Dex Aquadex 50 Stain Off Metal Stain Remover, 32 oz | ADQ50\u003c\/h2\u003e\n\n\u003cp\u003e\n    Remove stubborn metal stains from swimming pools and spas\n    with \u003cstrong\u003eBio-Dex Aquadex 50 Stain Off\u003c\/strong\u003e.\n    This concentrated liquid stain remover is formulated\n    to help eliminate discoloration caused by copper,\n    iron, and other metallic deposits.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    Aquadex 50 is especially effective against metal stains\n    on plaster pool surfaces and black cobalt staining\n    on fiberglass pools and spas. Its formula remains\n    stable in elevated water temperatures, making it\n    suitable for both swimming pools and hot tubs.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    Each bottle contains \u003cstrong\u003e32 fluid ounces (1 quart)\u003c\/strong\u003e\n    of Bio-Dex Aquadex 50 Stain Off.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMetal Stain Removal:\u003c\/strong\u003e Helps remove copper, iron, and other metallic discoloration.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePlaster Pool Treatment:\u003c\/strong\u003e Targets common metal stains on plaster swimming pool surfaces.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFiberglass Stain Treatment:\u003c\/strong\u003e Helps remove stubborn black cobalt staining from compatible fiberglass surfaces.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePool \u0026amp; Spa Applications:\u003c\/strong\u003e Designed for swimming pools, spas, and decorative water features.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh-Temperature Stability:\u003c\/strong\u003e Remains effective in warmer spa environments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWorks with Pool Sanitizers:\u003c\/strong\u003e Formulated to remain effective in the presence of chlorine and common pool water treatment products.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVisible Results:\u003c\/strong\u003e Stain reduction may be noticeable within 48 hours, with difficult stains potentially taking up to 10 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConcentrated Formula:\u003c\/strong\u003e Convenient liquid treatment for metal-related pool surface staining.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Bio-Dex Laboratories\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Aquadex 50 Stain Off\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e ADQ50\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Pool \u0026amp; Spa Metal Stain Remover\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Liquid\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eContainer Size:\u003c\/strong\u003e 32 fl oz (1 Quart)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTarget Stains:\u003c\/strong\u003e Copper, Iron, Metallic Deposits, Black Cobalt Stains\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Swimming Pools, Spas, Fountains\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 837871000064\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1 Bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRemoves Copper and Iron Stains\u003c\/h3\u003e\n\n\u003cp\u003e\n    Dissolved metals in swimming pool water can produce\n    unsightly stains on pool surfaces. Iron may cause\n    reddish-brown discoloration, while copper can\n    contribute to blue-green or darker staining.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    Bio-Dex Aquadex 50 is designed to help remove\n    compatible metal stains and restore the appearance\n    of affected pool surfaces without requiring\n    complete pool draining.\n\u003c\/p\u003e\n\n\u003ch3\u003eHelps Remove Black Cobalt Stains\u003c\/h3\u003e\n\n\u003cp\u003e\n    Aquadex 50 can also help treat black cobalt\n    staining found on some fiberglass swimming pools\n    and spas.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    Results depend on the age, severity, and source\n    of the staining. Additional treatment may be\n    required for stubborn deposits.\n\u003c\/p\u003e\n\n\u003ch3\u003eRecommended Treatment Dosage\u003c\/h3\u003e\n\n\u003cp\u003e\n    A commonly published treatment dosage for\n    Bio-Dex Aquadex 50 is:\n\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e10,000 Gallons:\u003c\/strong\u003e 32 fl oz (1 Quart)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e20,000 Gallons:\u003c\/strong\u003e 64 fl oz (2 Quarts)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e30,000 Gallons:\u003c\/strong\u003e 96 fl oz (3 Quarts)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n    One 32 oz bottle provides the commonly listed\n    initial treatment amount for a 10,000-gallon pool.\n    Treatment requirements may vary depending on\n    stain severity and water conditions.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    Always follow the current Bio-Dex product label\n    and treatment instructions.\n\u003c\/p\u003e\n\n\u003ch3\u003eHow to Use Bio-Dex Aquadex 50\u003c\/h3\u003e\n\n\u003col\u003e\n    \u003cli\u003eIdentify the likely source of the pool staining.\u003c\/li\u003e\n    \u003cli\u003eTest and adjust pool water chemistry as recommended by Bio-Dex.\u003c\/li\u003e\n    \u003cli\u003eDetermine the treatment amount based on pool volume and stain severity.\u003c\/li\u003e\n    \u003cli\u003eApply Aquadex 50 directly to pool water in the affected areas according to the product instructions.\u003c\/li\u003e\n    \u003cli\u003eOperate the circulation and filtration system as directed.\u003c\/li\u003e\n    \u003cli\u003eMonitor stain reduction over the following several days.\u003c\/li\u003e\n    \u003cli\u003eRepeat treatment only when necessary and according to the manufacturer.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\n    Bio-Dex recommends maintaining water pH near 7.2\n    during treatment for improved stain removal performance.\n    Stain removal may take up to 10 days.\n\u003c\/p\u003e\n\n\u003ch3\u003eHelp Prevent Metal Stains from Returning\u003c\/h3\u003e\n\n\u003cp\u003e\n    Removing visible stains does not necessarily eliminate\n    dissolved metals from the pool water or correct the\n    underlying source of staining.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    Bio-Dex recommends combining Aquadex 50 with\n    \u003cstrong\u003eProtect All Supreme\u003c\/strong\u003e as part of\n    a stain and scale control maintenance program.\n\u003c\/p\u003e\n\n\u003ch3\u003eRelated Bio-Dex Pool Chemicals\u003c\/h3\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/products\/biodexaquadex50stainoffmetalremover1galbottleadq04bdxadq04\"\u003e\n            \u003cstrong\u003eBio-Dex Aquadex 50 Stain Off, 1 Gallon | ADQ04\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Larger container of the same stain remover\n        for bigger pools or multiple treatments.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/products\/biodexprotectallsupreme32ozbottlepao32bdxpao32\"\u003e\n            \u003cstrong\u003eBio-Dex Protect All Supreme, 32 oz | PAO32\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Helps remove and prevent mineral scale\n        and surface staining.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/products\/biodexfiltercleaner32ozbottlefco32bdxfco32\"\u003e\n            \u003cstrong\u003eBio-Dex Filter Cleaner, 32 oz | FCO32\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Removes accumulated scale, oils,\n        and debris from compatible pool filters.\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStorage and Handling\u003c\/h3\u003e\n\n\u003cul\u003e\n    \u003cli\u003eStore in the original container with the cap securely closed.\u003c\/li\u003e\n    \u003cli\u003eKeep away from children and pets.\u003c\/li\u003e\n    \u003cli\u003eStore away from extreme temperatures and direct sunlight.\u003c\/li\u003e\n    \u003cli\u003eDo not mix concentrated pool chemicals together.\u003c\/li\u003e\n    \u003cli\u003eFollow all manufacturer label instructions and safety precautions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eIncludes:\u003c\/strong\u003e\n    One (1) Bio-Dex Aquadex 50 Stain Off\n    Metal Stain Remover, 32 fl oz Bottle.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eNot Included:\u003c\/strong\u003e\n    Additional pool chemicals, testing equipment,\n    or stain removal accessories.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eSelling Quantity:\u003c\/strong\u003e 1 Individual 32 oz Bottle.\n\u003c\/p\u003e\n","brand":"Biodex","offers":[{"title":"Default Title","offer_id":52738214920508,"sku":"ADQ50","price":29.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/Screenshot2026-11-10143146.png?v=1794346333","url":"https:\/\/aquapoolsupply.com\/products\/bio-dex-1-qt-bottle-aquadex-50-stain-off-stain-remover-adq50","provider":"Aqua Pool Supply","version":"1.0","type":"link"}