{"product_id":"spaguard-stain-scale-control-spas-hot-tubs-1-quart","title":"SpaGuard Stain and Scale Control 1 Quart","description":"\u003ch1 class=\"font-editorial font-bold first:mt-xs mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg leading-[1.5em] lg:text-xl\" id=\"spaguard-stain--scale-control-for-spas--hot-tubs\"\u003eSpaGuard Stain \u0026amp; Scale Control for Spas \u0026amp; Hot Tubs - 1 Quart\u003c\/h1\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"protect-your-spa-from-scale-stains-and-mineral-bui\"\u003eProtect Your Spa from Scale, Stains, and Mineral Buildup\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSpaGuard Stain \u0026amp; Scale Control is a concentrated liquid formula designed to help protect spas and hot tubs from scale formation, cloudy water caused by high calcium levels, and stains caused by metals such as iron, copper, and manganese. In warm spa water, minerals and metals can quickly create buildup on surfaces, heaters, plumbing, filters, and circulation equipment. This weekly maintenance treatment helps control those problems before they affect water clarity or spa performance.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis 1-quart bottle is ideal for routine hot tub maintenance and ongoing protection. Simply add the recommended dose directly to spa water with the pump running and aeration off. The formula helps bond to problem-causing minerals and metals in the water, making it easier to manage scale and staining as part of your regular water care routine.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUse SpaGuard Stain \u0026amp; Scale Control weekly to help prevent new scale and stains, or as directed when fresh metal stains or some scale buildup are present. For best results, start with a clean filter, maintain proper water balance, and clean filters regularly with SpaGuard Filter Cleaner.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"key-benefits\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHelps prevent scale formation\u003c\/strong\u003e: Protects against calcium scale on spa surfaces, heaters, piping, and equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eRemoves some scale buildup\u003c\/strong\u003e: Helps address existing scale on spa surfaces and equipment when used as directed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHelps prevent cloudy water\u003c\/strong\u003e: Reduces conditions that can contribute to cloudy water from high calcium levels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eControls metal stains\u003c\/strong\u003e: Helps prevent stains caused by iron, copper, and manganese.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eRemoves relatively fresh metal stains\u003c\/strong\u003e: Some existing stains may be reduced by brushing after application.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eProtects spa equipment\u003c\/strong\u003e: Helps safeguard circulation systems, heaters, plumbing, and surfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eEasy weekly liquid dosing\u003c\/strong\u003e: Add directly to spa water with the pump running.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e1-quart value size\u003c\/strong\u003e: Larger 32 fl oz bottle for ongoing maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"product-details\"\u003eProduct Details\u003c\/h2\u003e\n\u003cdiv class=\"group relative my-[1em]\"\u003e\n\u003cdiv class=\"sticky top-0 z-10 h-0\" aria-hidden=\"true\"\u003e\n\u003cdiv class=\"w-full overflow-hidden bg-raised border-x md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"w-full overflow-auto scrollbar-subtle rounded-lg border md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest bg-raised\"\u003e\n\u003ctable class=\"[\u0026amp;_tr:last-child_td]:border-b-0 my-0 w-full table-auto border-separate border-spacing-0 text-sm font-sans rounded-lg [\u0026amp;_tr:last-child_td:first-child]:rounded-bl-lg [\u0026amp;_tr:last-child_td:last-child]:rounded-br-lg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\"\u003eDetail\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\"\u003eInformation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eSpaGuard Stain \u0026amp; Scale Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eSpa and hot tub stain and scale control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBrand\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eSpaGuard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eSize\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e1 quart \/ 32 fl oz \/ 946 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003ePack Quantity\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eSingle bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eForm\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eConcentrated liquid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003ePrimary Use\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003ePrevents scale formation and metal staining\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eScale Control\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eHelps prevent and remove some scale buildup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eMetal Stain Control\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eHelps prevent stains caused by iron, copper, and manganese\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eDosage\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e1 fl oz per 300 gallons weekly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eApplication\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003ePour directly into spa water with pump running and aeration off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eItem Number\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e42644BIO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eUPCs\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e017541619271, 017541619325\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBest For\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eHot tub scale prevention, spa stain control, high-calcium water care, weekly spa maintenance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"compatibility-and-requirements\"\u003eCompatibility and Requirements\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSpaGuard Stain \u0026amp; Scale Control is made for spas and hot tubs where scale, calcium buildup, metal staining, or cloudy water from high calcium levels may be a concern. It is especially useful in areas with hard water or source water that contains metals such as iron, copper, or manganese.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBefore use, clean the filter according to label directions. Add the full dose directly to spa water with the pump running and aeration turned off. For weekly maintenance, use 1 fl oz per 300 gallons. If metals are present, clean the filter first with a filter cleaner and degreaser, then allow the pump to run after treatment according to label directions.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis product is not a sanitizer, shock, or pH balancer. Continue maintaining proper sanitizer residual, pH, total alkalinity, and calcium hardness as part of your regular spa care routine.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"how-to-use-spaguard-stain--scale-control\"\u003eHow to Use SpaGuard Stain \u0026amp; Scale Control\u003c\/h2\u003e\n\u003col class=\"marker:text-quiet list-decimal pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTest and balance spa water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eClean the filter using SpaGuard Filter Cleaner or another appropriate chemical filter cleaner.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWith the pump running and aeration off, add 1 fl oz per 300 gallons directly to the spa water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eRun the circulation pump without aeration after treatment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFor ongoing prevention, repeat weekly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFor existing fresh stains, brush the stained area with a spa brush after application.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eClean the filter every 30 days for best performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"frequently-asked-questions\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"what-does-spaguard-stain--scale-control-do\"\u003eWhat does SpaGuard Stain \u0026amp; Scale Control do?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSpaGuard Stain \u0026amp; Scale Control helps prevent scale formation and metal staining in spas and hot tubs. It also helps remove some scale buildup and relatively fresh metal stains when used as directed.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"what-causes-scale-in-a-hot-tub\"\u003eWhat causes scale in a hot tub?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eScale is commonly caused by high calcium levels, high pH, high alkalinity, heat, and water chemistry imbalance. It can build up on surfaces, heaters, plumbing, and circulation equipment.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"what-stains-does-this-product-help-prevent\"\u003eWhat stains does this product help prevent?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eIt helps prevent stains caused by metals such as iron, copper, and manganese.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"how-much-should-i-use\"\u003eHow much should I use?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUse 1 fl oz per 300 gallons of spa water weekly, or follow the product label for your specific application.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"is-this-the-quart-size\"\u003eIs this the quart size?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eYes. This listing is for the 1-quart bottle, equal to 32 fl oz or 946 mL.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"can-it-remove-existing-scale\"\u003eCan it remove existing scale?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eIt can remove some scale buildup from spa surfaces, heaters, piping, and equipment. Existing stains or scale may require brushing after treatment.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"does-this-replace-sanitizer\"\u003eDoes this replace sanitizer?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eNo. SpaGuard Stain \u0026amp; Scale Control is not a sanitizer. Maintain chlorine, bromine, or your chosen sanitizer system separately.\u003c\/p\u003e","brand":"Hot Tub Pirate","offers":[{"title":"Default Title","offer_id":47432463581371,"sku":"42644BIO","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0269\/2625\/2077\/files\/StainandScaleControlSpaguard1qt.jpg?v=1770345022","url":"https:\/\/hottubpirate.com\/products\/spaguard-stain-scale-control-spas-hot-tubs-1-quart","provider":"Hot Tub Pirate","version":"1.0","type":"link"}