{"product_id":"bioguard-stabilizer-100-cyanuric-acid-pool-stabilizer-5-lb-granular-uv-chlorine-protector","title":"BioGuard Stabilizer 100 Cyanuric Acid Pool Stabilizer, 5 lb — Granular UV Chlorine Protector","description":"\u003cp\u003e\u003cstrong\u003eBioGuard Stabilizer 100 is a granular cyanuric acid pool additive that slows sunlight-driven chlorine loss so outdoor pools retain sanitizer longer.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen sunlight hits a chlorinated outdoor pool, free chlorine degrades rapidly and you end up adding more product more often. BioGuard Stabilizer 100 delivers a soluble cyanuric acid formula designed to reduce that breakdown, lowering chlorine consumption and smoothing weekly maintenance. Packaged in a convenient 5-pound container for residential pools, this product is intended specifically for outdoor, chlorinated systems where UV exposure is the primary cause of chlorine depletion.\u003c\/p\u003e\n\n\u003ch3\u003eHow does it help keep chlorine effective in outdoor pools?\u003c\/h3\u003e\n\u003cp\u003eBy adding cyanuric acid to the water, Stabilizer 100 forms a protective interaction with free chlorine, reducing the rate at which ultraviolet light from the sun neutralizes the sanitizer. This preserves a useful free chlorine residual so treatments last longer between additions. It does not replace chlorine; it helps the chlorine already in the water remain available to sanitize for extended periods.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContains cyanuric acid in a fully soluble granular form for even distribution.\u003c\/li\u003e\n  \u003cli\u003eReduces UV-driven chlorine loss, lowering weekly chlorine consumption.\u003c\/li\u003e\n  \u003cli\u003eApplied slowly through the skimmer for safe, uniform dissolution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I add BioGuard Stabilizer 100 to my pool safely?\u003c\/h3\u003e\n\u003cp\u003eThe granular formula is designed to dissolve completely when fed slowly into the skimmer while the pump runs. Add the product in small increments over time rather than dumping it all at once to avoid local high concentrations. Always test cyanuric acid and free chlorine levels after application and adjust as needed to reach recommended ranges for your pool type.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFeed slowly through the skimmer with the pump circulating for even mixing.\u003c\/li\u003e\n  \u003cli\u003eMeasure cyanuric acid levels after treatment to avoid excessive concentrations.\u003c\/li\u003e\n  \u003cli\u003eFollow label directions; intended for outdoor, chlorinated pools only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill Stabilizer 100 affect my pool’s chemical balance or filtration?\u003c\/h3\u003e\n\u003cp\u003eUsed as directed, the product adds only cyanuric acid and does not directly change pH, alkalinity, or hardness, though those parameters should still be monitored as part of routine maintenance. It dissolves completely and passes through standard filtration without leaving residues. Maintaining proper overall water balance ensures the stabilizer performs optimally alongside chlorine and other treatment chemicals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo insoluble residues when fed correctly; compatible with typical pool filters.\u003c\/li\u003e\n  \u003cli\u003eDoes not substitute for routine pH or alkalinity adjustments.\u003c\/li\u003e\n  \u003cli\u003eRegular testing keeps cyanuric acid within effective, manufacturer-recommended ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow much of the 5 lb pack will I need and how often should I reapply?\u003c\/h3\u003e\n\u003cp\u003eRequired amounts depend on pool volume and existing cyanuric acid concentration. A 5-pound container is sized for multiple treatments in smaller residential pools or a single top-up for larger ones. Reapplication frequency depends on dilution from backwashing, splash-out, and added fresh water, so monitor levels periodically and add only as needed to maintain the target stabilizer concentration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCoverage varies by pool size—test water to calculate exact dosage.\u003c\/li\u003e\n  \u003cli\u003eOne 5 lb container typically treats or supplements a residential pool across several adjustments.\u003c\/li\u003e\n  \u003cli\u003eReapply when measured cyanuric acid falls below the target range for your pool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: BioGuard Stabilizer 100 is aimed at owners and service professionals responsible for outdoor, chlorinated pools who want to reduce chlorine usage and stabilize sanitizer performance under sunlight. It’s suitable for residential and light-commercial pools that already use chlorine-based sanitation and need a soluble cyanuric acid product for UV protection. If you maintain a covered, indoor, or non-chlorine-treated pool, this product is not intended for those environments.\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 Stabilizer 100 in an indoor pool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. BioGuard Stabilizer 100 is formulated for outdoor chlorinated pools where sunlight causes chlorine loss.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How soon after adding can I test cyanuric acid levels?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Wait at least 24 hours with circulation before testing to ensure the granules fully dissolve and distribute.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BioGuard","offers":[{"title":"Default Title","offer_id":56819473678676,"sku":"B08175CZSZ","price":92.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/bioguard-stabilizer-100-front-packaging.jpg?v=1786962961","url":"https:\/\/gardenluxe.co.uk\/products\/bioguard-stabilizer-100-cyanuric-acid-pool-stabilizer-5-lb-granular-uv-chlorine-protector","provider":"Gardenluxe Uk","version":"1.0","type":"link"}