{"product_id":"bioguard-back-up-2-1-quart-effective-algae-preventative-non-staining-keeps-pool-water-clear","title":"BioGuard Back Up 2-1 Quart – Effective Algae Preventative, Non-Staining, Keeps Pool Water Clear","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eBioGuard Back Up 2-1 is a high-performance algae preventative designed to help outdoor pools stay clear and inviting. The formula is stable in sunlight and won’t evaporate, so protection remains available as days grow warmer. Its activity naturally increases with rising water temperatures, providing an extra level of defense when algae tends to ramp up.\u003c\/p\u003e\n\u003cp\u003eWhat makes Back Up 2-1 stand out is a potent wetting agent that reaches into tiny cracks and crevices where algae often take hold. The product is pH neutral and non-staining, allowing it to blend with routine pool maintenance without altering water chemistry or leaving visible marks on pool surfaces.\u003c\/p\u003e\n\n\u003ch2\u003eKey benefits at a glance\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWide-range algae prevention that supports a cleaner, clearer pool.\u003c\/li\u003e\n  \u003cli\u003eSunlight-stable and non-evaporating for consistent protection.\u003c\/li\u003e\n  \u003cli\u003eActivity increases as water warms, aligning with peak algae risk periods.\u003c\/li\u003e\n  \u003cli\u003ePowerful wetting agent helps it reach algae in cracks and crevices.\u003c\/li\u003e\n  \u003cli\u003epH-neutral and non-staining for easy integration with typical pool care routines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003eFor best results, add BioGuard Back Up 2-1 directly to the pool while the filter and pump are in operation. Pour around the outside perimeter for even distribution and ongoing protection. This formula is not recommended for pools with attached spas or highly intricate water features.\u003c\/p\u003e\n\n\u003ch2\u003eCare system compatibility and usage tips\u003c\/h2\u003e\n\u003cp\u003eBack Up 2-1 is designed to integrate smoothly with BioGuard’s 3-Step Care System or the Once-A-Week 3-Step Care System. Regular use complements other maintenance steps and helps keep water conditions steady without adding extra steps to your routine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePair with routine algaecide and sanitizer for comprehensive pool care.\u003c\/li\u003e\n  \u003cli\u003eSchedule weekly application to help prevent algae before it starts.\u003c\/li\u003e\n  \u003cli\u003eAvoid use in pools with special features unless guidelines are followed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIn daily life, this translates to clearer water, calmer pool surfaces, and a more inviting swimming environment. While results can vary with weather, usage patterns, and existing water chemistry, many pool owners report easier maintenance and a brighter pool appearance when Back Up 2-1 is used as directed.\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 2-1 used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: An algae preventative designed to curb a wide variety of algae in outdoor pools with weekly use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I apply BioGuard Back Up 2-1?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Pour around the pool perimeter while the filter and pump run; avoid spas or intricate features; compatible with BioGuard's 3-Step Care System.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BioGuard","offers":[{"title":"Default Title","offer_id":48206367555828,"sku":"B01N1FBFZL","price":42.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/bioguard-back-up-2-1-quart-bottle.jpg?v=1778423377","url":"https:\/\/www.cerapatiogarden.com\/products\/bioguard-back-up-2-1-quart-effective-algae-preventative-non-staining-keeps-pool-water-clear","provider":"Cera Garden","version":"1.0","type":"link"}