{"product_id":"spachoice-alkalinity-increaser-for-hot-tub-2-lb-2-pack-fast-dissolving-granular-formula","title":"SpaChoice Alkalinity Increaser for Hot Tub — 2 lb 2-Pack, Fast‑Dissolving Granular Formula","description":"\u003cp\u003e\u003cstrong\u003eSpaChoice 2-Pounds 2-Pack Premium Alkalinity Increaser is a granular spa treatment designed to raise and stabilize total alkalinity, helping protect equipment and make pH control easier.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeeping total alkalinity within the recommended 80–140 ppm range is essential for balanced hot tub water. This SpaChoice alkalinity increaser is a fast-dissolving granular formula that corrects low alkalinity, reduces pH bounce, and supports sanitizer performance—without harsh handling. Use alongside a reliable test kit, follow measured dosing, and circulate water between tests for accurate adjustments.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I use this alkalinity increaser safely and effectively?\u003c\/h3\u003e\n\n\u003cp\u003eMeasure total alkalinity with a test kit before adding product. Start with small, repeatable doses and allow circulation after each addition, retesting until you reach 80–140 ppm. For best results, pre-dissolve the granules in a small plastic pail of water before adding to the spa.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAdd 1 oz (2 tbsp) to the spa, circulate for 30 minutes, then retest.\u003c\/li\u003e\n  \u003cli\u003eRepeat dosing in 1 oz increments until the target alkalinity is achieved.\u003c\/li\u003e\n  \u003cli\u003ePre-dissolve granular product in water to avoid settling and ensure even distribution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy should I correct total alkalinity in my hot tub?\u003c\/h3\u003e\n\n\u003cp\u003eTotal alkalinity acts as a buffer that reduces rapid pH swings, which can cause sanitizer loss, surface etching, or metal corrosion. Proper alkalinity helps maintain consistent chlorine or bromine levels and prevents scale buildup, extending the life of heaters and other components.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMaintains pH stability so sanitizers remain effective longer.\u003c\/li\u003e\n  \u003cli\u003eReduces risk of scale formation and mineral deposits.\u003c\/li\u003e\n  \u003cli\u003eProtects metal fittings, heating elements, and surfaces from corrosion and etching.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow quickly will I see results after adding SpaChoice alkalinity increaser?\u003c\/h3\u003e\n\n\u003cp\u003eThis granular formula dissolves quickly and begins to affect alkalinity as soon as it disperses through the circulated water. Expect to retest after 30 minutes of circulation; multiple short doses are preferable to one large dose for precise control.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCirculate water for 30 minutes after each dose before retesting.\u003c\/li\u003e\n  \u003cli\u003eAdjust incrementally—small doses reduce overshooting the target range.\u003c\/li\u003e\n  \u003cli\u003eVisible improvements in pH stability often occur within an hour of proper dosing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this with other spa chemicals and sanitizers?\u003c\/h3\u003e\n\n\u003cp\u003eYes—SpaChoice alkalinity increaser is intended to be part of a regular water care routine. Always test total alkalinity and pH before adding sanitizers, and avoid mixing undiluted chemicals; add one product at a time and allow proper circulation between treatments.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTest alkalinity and pH before adjusting sanitizers like chlorine or bromine.\u003c\/li\u003e\n  \u003cli\u003eAvoid adding multiple dry chemicals directly into the filter area or into an undiluted form.\u003c\/li\u003e\n  \u003cli\u003eFollow manufacturer instructions for timing and circulation between chemical additions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? SpaChoice 2-Pounds 2-Pack Premium Alkalinity Increaser is aimed at hot tub owners, rental property managers, and pool service professionals who need reliable, easy-to-use chemistry control. It’s especially useful for anyone maintaining spas in variable climates or high-use settings where alkalinity drifts can cause frequent pH adjustments. If you test and balance water regularly and want a granular product that dissolves quickly for precise corrections, this two-pack provides convenient supply for ongoing maintenance.\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: How much should I add to increase alkalinity?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Start with 1 oz (2 tbsp), circulate 30 minutes, then retest; repeat 1 oz increments until 80–140 ppm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I add this product directly to the spa?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Pre-dissolving in a small plastic pail is recommended, though it dissolves quickly if added carefully to circulating water.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SpaChoice","offers":[{"title":"Default Title","offer_id":56832193003860,"sku":"B00UD97XPS","price":69.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/spachoice-alkalinity-increaser-front-package.jpg?v=1787024534","url":"https:\/\/gardenluxe.co.uk\/products\/spachoice-alkalinity-increaser-for-hot-tub-2-lb-2-pack-fast-dissolving-granular-formula","provider":"Gardenluxe Uk","version":"1.0","type":"link"}