{"product_id":"bioguard-lo-n-slo-granular-ph-decreaser-8-lb-2-pack-quick-dissolving-formula-for-ph-alkalinity-control","title":"BioGuard Lo 'N Slo Granular pH Decreaser — 8 lb (2-Pack), Quick-Dissolving Formula for pH \u0026 Alkalinity Control","description":"\u003cp\u003e\u003cstrong\u003eBioGuard Lo 'N Slo Granular pH Decreaser is a quick-dissolving granular formula designed to lower pool pH and adjust total alkalinity safely for all pool types.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeep your pool water balanced and comfortable with BioGuard Lo 'N Slo, an 8 lb granular pH decreaser sold as a convenient 2-pack. Formulated to dissolve quickly and work predictably, this product helps bring high pH and elevated total alkalinity back into the recommended range without introducing heavy solids or long wait times. It’s designed for use across plaster, vinyl, fiberglass, and concrete pools and pairs well with regular testing and filtration routines.\u003c\/p\u003e\n\n\u003ch3\u003eHow does BioGuard Lo 'N Slo correct high pH and alkalinity?\u003c\/h3\u003e\n\u003cp\u003eThe granules release buffering agents that neutralize excess alkalinity and reduce pH, restoring the pool’s chemical balance. Adjustment occurs gradually enough to avoid overshooting while still delivering measurable change within hours of application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eQuick-dissolving formula for fast action and even distribution.\u003c\/li\u003e\n  \u003cli\u003eTargets both total alkalinity and pH for more stable water chemistry.\u003c\/li\u003e\n  \u003cli\u003eDesigned to minimize cloudiness and residue when applied per instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I apply it safely and effectively?\u003c\/h3\u003e\n\u003cp\u003eAlways test pH and total alkalinity before adding the product, and follow label dosing for your pool volume. Broadcast the granules around the deep end with the pump running, avoid adding near skimmer or return lines, and retest after several hours to confirm target levels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTest water and calculate dose based on pool gallons.\u003c\/li\u003e\n  \u003cli\u003eDistribute evenly with the pump on and avoid direct contact with skin.\u003c\/li\u003e\n  \u003cli\u003eRetest after 4–6 hours and repeat small doses if needed to reach desired values.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work with my pool type and routine maintenance?\u003c\/h3\u003e\n\u003cp\u003eYes — BioGuard Lo 'N Slo is formulated for compatibility with plaster, vinyl, fiberglass, and concrete surfaces, and integrates with standard sanitizer and filtration schedules. Use it as part of routine chemical upkeep or when test results indicate elevated pH\/alkalinity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe for common pool surfaces when used according to directions.\u003c\/li\u003e\n  \u003cli\u003eComplements chlorine, salt systems, and mineral sanitizers without altering their basic function.\u003c\/li\u003e\n  \u003cli\u003eWorks well alongside regular filtration and weekly testing practices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow much product do I need and how quickly will I see results?\u003c\/h3\u003e\n\u003cp\u003eDosing depends on your pool volume and current alkalinity\/pH readings; small, incremental doses give the most controlled results. Expect measurable improvement within hours and final stabilization within 24–48 hours, depending on circulation and starting chemistry.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow label dosing based on gallons and test values for predictable correction.\u003c\/li\u003e\n  \u003cli\u003eUse the 8 lb bags as individual treatments or split doses across multiple sessions.\u003c\/li\u003e\n  \u003cli\u003eAllow several hours between measurements to let chemicals fully mix and react.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: BioGuard Lo 'N Slo is ideal for pool owners and professional service techs who need a dependable granular pH decreaser that acts predictably and dissolves quickly. Choose this 8 lb, 2-pack if you want on-hand supply for seasonal adjustments, frequent testing routines, or multiple pools — especially when you need safe compatibility with plaster, vinyl, fiberglass, or concrete finishes.\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 BioGuard Lo 'N Slo with a saltwater pool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s compatible with salt systems; add with pump running and retest pH\/alkalinity after several hours.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long before pH levels stabilize after dosing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You should see changes within hours; full stabilization usually takes 24–48 hours depending on circulation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BioGuard","offers":[{"title":"Default Title","offer_id":56824127750484,"sku":"B0DGLM747J","price":103.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/bioguard-lo-n-slo-front-pack.jpg?v=1786980767","url":"https:\/\/gardenluxe.co.uk\/products\/bioguard-lo-n-slo-granular-ph-decreaser-8-lb-2-pack-quick-dissolving-formula-for-ph-alkalinity-control","provider":"Gardenluxe Uk","version":"1.0","type":"link"}