{"product_id":"bioguard-back-up-2-1-quart-2-pack-algae-prevention-for-pools-non-staining-keeps-water-clear","title":"BioGuard Back Up 2-1 Quart, 2-Pack – Algae Prevention for Pools, Non-Staining, Keeps Water Clear","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eBioGuard Back Up 2 arrives as a convenient two‑bottle, 1‑quart set designed to help pool owners maintain clear, inviting water by reducing algae buildup. It works in both chlorine and bromine systems, offering a versatile option for many pool configurations and surfaces.\u003c\/p\u003e\n\u003cp\u003eThe formulation includes a powerful surfactant that helps the product reach tiny cracks and crevices where algae often take hold. This approach targets early growth, helping keep walls, steps, and broad surfaces looking clean. It is formulated to be non‑staining and gentle on most pool surfaces, making it a practical addition to routine maintenance.\u003c\/p\u003e\n\u003ch3\u003eWhy it stands out\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrevents algae and serves as an active algae control agent\u003c\/li\u003e\n  \u003cli\u003eCompatible with both chlorine and bromine pools\u003c\/li\u003e\n  \u003cli\u003eSurfactant helps reach small cracks and spaces for broader protection\u003c\/li\u003e\n  \u003cli\u003eNon‑staining and pH‑friendly across common pool surfaces\u003c\/li\u003e\n  \u003cli\u003eEffective across plaster, tile, vinyl, and fiberglass finishes\u003c\/li\u003e\n  \u003cli\u003ePerformance can be aided by warmer water during peak swim seasons\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use BioGuard Back Up 2\u003c\/h3\u003e\n\u003cp\u003eBegin with balanced water: adjust pH to the 7.2–7.6 range and set chlorine residual to 1–4 ppm. Dosing varies with pool size and how often you treat the water.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInitial treatment: pour 32 fluid ounces directly into the pool per 25,000 gallons (4 ppm)\u003c\/li\u003e\n  \u003cli\u003eWeekly maintenance: pour 1 fluid ounce directly into the pool per 5,000 gallons (0.5 ppm)\u003c\/li\u003e\n  \u003cli\u003eBiweekly maintenance: pour 2 fluid ounces per 5,000 gallons (1 ppm) every other week\u003c\/li\u003e\n  \u003cli\u003eVacation care: add 4 fluid ounces per 5,000 gallons (2 ppm) for each unattended week; if shock is used, apply near the shallow end edges\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical benefits and results\u003c\/h3\u003e\n\u003cp\u003eWhen used as part of a regular routine, Back Up 2 can help keep water looking clear and free of visible algae. The product is designed to work with typical pool chemistry without altering pH, and its broad surface compatibility supports use on many common pool finishes. Its action tends to be more noticeable as water warms, aligning with higher swimmer demand.\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 BioGuard Back Up 2 and how does it help my pool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: BioGuard Back Up 2 is an algae preventative designed to help keep pool water clear by inhibiting algae growth with a surfactant-assisted formula.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I apply Back Up 2 and how often should I use it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Initial: 32 oz per 25,000 gal; weekly: 1 oz per 5,000 gal; biweekly: 2 oz per 5,000 gal every other week; vacation: 4 oz per 5,000 gal per unattended week.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BioGuard","offers":[{"title":"Default Title","offer_id":45738811949242,"sku":"B01N63TM7J","price":154.45,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/bioguard-back-up-2-1-qt-2-pack-algae-prevention.jpg?v=1774703673","url":"https:\/\/gardencanada.ca\/products\/bioguard-back-up-2-1-quart-2-pack-algae-prevention-for-pools-non-staining-keeps-water-clear","provider":"Garden Canada","version":"1.0","type":"link"}