{"product_id":"alkalinity-up-2-lb-2-pack-spachoice-alkalinity-increaser-for-hot-tub","title":"Alkalinity Up 2 lb 2-Pack - SpaChoice Alkalinity Increaser for Hot Tub","description":"\u003cp\u003eIn this review the SpaChoice Alkalinity Up 2-Pounds 2-Pack is evaluated for hot tub owners who need a reliable way to raise and stabilize total alkalinity. The bottom line: this granular, 100% sodium bicarbonate formula is for anyone who wants to correct alkalinity to the recommended 80-140 ppm range so pH is easier to control and disinfectant residuals hold longer. It is straightforward to use, dissolves quickly, and is clearly aimed at routine maintenance rather than emergency corrections.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e 100% sodium bicarbonate provides a predictable, pure alkali source that raises total alkalinity without introducing unwanted additives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Range Guidance:\u003c\/strong\u003e The product is designed to help reach the recommended 80-140 ppm total alkalinity range so pH stability and sanitizer performance improve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Dosage:\u003c\/strong\u003e Instructions specify adding 1 ounce then retesting every 30 minutes, which makes incremental adjustments easy and reduces the risk of overshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Dissolving:\u003c\/strong\u003e The granular formula dissolves quickly for fast effect and less downtime before retesting and adjusting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion and Scale Prevention:\u003c\/strong\u003e Raising alkalinity with this product helps prevent pH bounce, scale formation, and corrosion of spa equipment and surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser Guidance:\u003c\/strong\u003e A downloadable user guide is available under product information for step-by-step technical support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is best for hot tub owners who perform regular water testing and want a straightforward alkalinity increaser that reliably raises total alkalinity so pH is easier to manage. It suits people with municipal or well water that tends to read low on alkalinity and for anyone maintaining chlorine or other disinfectant residuals.\u003c\/p\u003e\n\u003cp\u003eIt is not aimed at users who need multi-chemical blends or specialty water treatments-those who want combined pH and alkalinity products or who prefer liquid chemistries may look elsewhere. Also, users who cannot lift or handle 2 lb containers should consider single-dose options or professional service.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePure sodium bicarbonate formula gives predictable alkalinity adjustments without extra chemicals.\u003c\/li\u003e\n\u003cli\u003eClear dosing guidance and quick dissolving granules make incremental correction simple and safe.\u003c\/li\u003e\n\u003cli\u003eHelps stabilize pH and maintain sanitizer effectiveness, reducing the chance of pH bounce.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers report lid accessibility issues, making the container difficult to open in certain cases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSpaChoice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e2 lb per pack (sold as 2-pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActive Ingredient\u003c\/td\u003e\n\u003ctd\u003e100% sodium bicarbonate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Total Alkalinity\u003c\/td\u003e\n\u003ctd\u003e80-140 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosage\u003c\/td\u003e\n\u003ctd\u003eAdd 1 oz (2 tbsp) then retest every 30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMade\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eSpaChoice Alkalinity Up is a practical, no-frills alkalinity increaser that delivers predictable results for routine hot tub maintenance. It offers clear dosing and a pure sodium bicarbonate formula that helps stabilize pH and protect equipment, making it good value for owners who test and adjust water themselves. If container lid access is a concern, keep a tool handy, but otherwise it is a dependable choice.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow much should I add to raise alkalinity?\u003c\/strong\u003e\u003cbr\u003eAdd 1 oz (2 tbsp) to the spa, circulate for 30 minutes, then retest and repeat until total alkalinity is 80-140 ppm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this affect my pH?\u003c\/strong\u003e\u003cbr\u003eRaising total alkalinity helps stabilize pH and prevents pH bounce, so pH levels are generally easier to control after using this product.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the product pure?\u003c\/strong\u003e\u003cbr\u003eYes, the formula is 100% sodium bicarbonate and is intended specifically to raise alkalinity without extra additives.\u003c\/p\u003e","brand":"SpaChoice","offers":[{"title":"Default Title","offer_id":48177460773083,"sku":"B00UD97XPS","price":32.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61a4izWXFQL._AC_SL1000.jpg?v=1769396880","url":"https:\/\/gearmusthave.com\/products\/alkalinity-up-2-lb-2-pack-spachoice-alkalinity-increaser-for-hot-tub","provider":"GearMustHave","version":"1.0","type":"link"}