{"product_id":"purity-pool-spot-stain-remover-pole-mount-1-cup-muriatic-acid-cup-for-rust-mineral-marks-localized-underwater-treatment","title":"Purity Pool Spot Stain Remover — Pole‑Mount 1‑Cup Muriatic Acid Cup for Rust \u0026 Mineral Marks, Localized Underwater Treatment","description":"\u003cb\u003ePurity Pool OS Out Spot Stain Remover is a handheld, pole‑mounted cup that delivers a small, controlled dose of muriatic acid directly to underwater pool stains for fast spot removal.\u003c\/b\u003e\n\n\u003cp\u003eDesigned by a family‑run company with professional origins, the Out Spot is a self‑contained underwater stain treatment that lets you target rust, metal and mineral marks without draining the pool or soaking the entire surface in acid. Its simple cup-and-pad design holds roughly one cup of muriatic acid; when attached to a standard pool pole and placed over a stain the acid slowly migrates through the pad to the affected area, dissolving many stains in seconds while minimizing chemical exposure to the rest of the pool.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Out Spot apply acid safely under water?\u003c\/h3\u003e\n\u003cp\u003eThe unit isolates a small volume of muriatic acid inside a cup so the chemical only reaches the stain beneath the pad. Because acid is heavier than water it seeps downward through the pad slowly, concentrating on the stain and reducing dilution into the surrounding pool water.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSelf-contained cup holds ~1 cup of muriatic acid for controlled dosing\u003c\/li\u003e\n  \u003cli\u003ePad slows acid flow so treatment is localized and gradual\u003c\/li\u003e\n  \u003cli\u003eMounts to a standard pool maintenance pole to keep hands away from chemicals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich kinds of stains does the Out Spot remove and how long will it take?\u003c\/h3\u003e\n\u003cp\u003eThe Out Spot works best on surface stains caused by metals, mineral deposits and some organic discolorations. Many stains begin to lift within seconds to minutes after the acid reaches the surface, though deeper or long‑set marks may require repeat applications or professional follow‑up.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEffective on metal rust, iron and mineral streaks\u003c\/li\u003e\n  \u003cli\u003eQuick action — visible improvement often within minutes\u003c\/li\u003e\n  \u003cli\u003eRepeat treatments possible for stubborn, deeply embedded stains\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill using the Out Spot affect my pool chemistry or surface finish?\u003c\/h3\u003e\n\u003cp\u003eBecause the device uses only a small amount of acid at the treatment site, it has minimal impact on overall pool chemistry when used as directed. The gentle, localized application is also less abrasive to finishes than some aggressive scrubbing or large-scale acid washes, reducing risk to plaster or tile when handled correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmall acid volume minimizes change to pool pH and alkalinity\u003c\/li\u003e\n  \u003cli\u003ePad delivers gentle contact rather than aggressive scraping\u003c\/li\u003e\n  \u003cli\u003eBest for spot work—avoid prolonged or excessive use in one location\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use and maintain the Out Spot for best results?\u003c\/h3\u003e\n\u003cp\u003eFill the cup with the recommended amount of muriatic acid, attach to a standard pole, lower it to the stain and let the acid seep through the pad for roughly 20 minutes or until the stain lifts. The pad is designed to apply acid rather than scrub, so with proper use it will last for years; always follow safety precautions when handling muriatic acid.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFill cup, secure to pole, place over stain and wait—no scrubbing required\u003c\/li\u003e\n  \u003cli\u003eWork worst stains first—acid dilutes over time in the water\u003c\/li\u003e\n  \u003cli\u003eInspect and replace pad periodically; store unit dry and away from children\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Purity Pool OS Out Spot is aimed at pool owners, maintenance professionals and service techs who need a fast, precise way to remove isolated stains without draining the pool or performing large‑scale chemical treatments. If you want a durable, professional‑grade tool that limits chemical exposure to the rest of the pool and preserves surface finishes, the Out Spot provides a straightforward, low‑waste solution crafted in the USA.\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: Can I use the Out Spot on any pool surface?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes for most plaster, tile and vinyl surfaces, but test a small area first and avoid prolonged contact on delicate finishes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much acid does the Out Spot hold and how long should I leave it on a stain?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It holds about one cup of muriatic acid; leave it in place for roughly 15–20 minutes or until stain lightens.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Purity Pool","offers":[{"title":"Default Title","offer_id":56819240829268,"sku":"B004VLB3VE","price":72.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/purity-pool-outspot-front-view_jpg.jpg?v=1786962130","url":"https:\/\/gardenluxe.co.uk\/products\/purity-pool-spot-stain-remover-pole-mount-1-cup-muriatic-acid-cup-for-rust-mineral-marks-localized-underwater-treatment","provider":"Gardenluxe Uk","version":"1.0","type":"link"}