{"id":5439,"date":"2026-05-14T18:17:56","date_gmt":"2026-05-14T18:17:56","guid":{"rendered":"https:\/\/www.thompsonpoolsupply.com\/?post_type=product&#038;p=5439"},"modified":"2026-05-18T22:46:12","modified_gmt":"2026-05-18T22:46:12","slug":"alkalinity-increaser-50-bulk","status":"publish","type":"product","link":"https:\/\/www.thompsonpoolsupply.com\/?product=alkalinity-increaser-50-bulk","title":{"rendered":"Sodium Bicarbonate 50 lbs. Bag (Bulk)"},"content":{"rendered":"<div class=\"relative\">\n<div class=\"flex ba b--transparent br3 pv0 ph0 flex-column h-100\" data-testid=\"flex-container\">\n<div class=\"h-100 relative\">\n<section data-dca-type=\"module\" data-dca-id=\"M:2AB5C7680B\">\n<div id=\"top-highlights-module\" class=\"\">\n<div class=\"mb2 f5 mh3 mh0-l\">\n<section class=\"expand-collapse-section ba br3 b--lighter-gray\">\n<div class=\"expand-collapse-header flex justify-between items-center w-100\" tabindex=\"0\" role=\"button\" aria-label=\"Key item features\" aria-expanded=\"true\">\n<h2 class=\"w-100 ma0 lh-copy pa3 f5 undefined\">Key item features<\/h2>\n<\/div>\n<div class=\"w_rNem expand-collapse-content\" data-testid=\"ui-collapse-panel\">\n<div class=\"ph3\">\n<div>\n<ul class=\"mv0 pl4\">\n<li><span class=\"b\">Alkalinity Maintenance<\/span>: Use when total alkalinity drops below 80 ppm to maintain proper pH balance.<\/li>\n<li><span class=\"b\">Stabilizes pH<\/span>: Prevents pH and chlorine levels from becoming unstable, ensuring safe swimming conditions.<\/li>\n<li><span class=\"b\">Granular Form<\/span>: Easier to apply into your water, making it convenient for pool, spa, and hot tub use.<\/li>\n<li><span class=\"b\">Effective Dosage<\/span>: 1-1\/2 pounds per 10,000 gallons will raise the alkalinity level by approximately 10 ppm.<\/li>\n<li><span class=\"b\">Quick Results<\/span>: Retest water after every dosage added; swimming is safe after 4 hours of circulation.<\/li>\n<li><span class=\"b\">Large Quantity<\/span>: Comes in a 50 lb bag, suitable for multiple applications and large pools.<\/li>\n<li><span class=\"b\">Safe Substance<\/span>: Made from sodium bicarbonate, a safe and effective alkalinity increaser.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"relative\">\n<div class=\"flex flex-column h-100\" data-testid=\"flex-container\">\n<div class=\"h-100 relative\">\n<div class=\"\" data-testid=\"brand-box-ad\">\n<div class=\"mw1280\" data-testid=\"brandbox-ad\">\n<div id=\"ITEM-BrandBoxDisplayAd-brandbox1\" class=\"w_3jM4 pa0\">\n<section data-dca-type=\"module\" data-dca-id=\"M:B5CE2C8D14\">\n<div data-testid=\"brandbox1\">\n<div>\n<div class=\"pt3\">\n<div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Key item features Alkalinity Maintenance: Use when total alkalinity drops below 80 ppm to maintain proper pH balance. Stabilizes pH: Prevents pH and chlorine levels from becoming unstable, ensuring safe swimming conditions. Granular Form: Easier to apply into your water, making it convenient for pool, spa, and hot tub use. Effective Dosage: 1-1\/2 pounds per [&hellip;]<\/p>\n","protected":false},"featured_media":5804,"comment_status":"open","ping_status":"closed","template":"","meta":{"_angie_page":false,"_crdt_document":""},"product_brand":[],"product_cat":[27],"product_tag":[104],"class_list":{"0":"post-5439","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pool-chemicals","7":"product_tag-alkalinity-increaser","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=\/wp\/v2\/product\/5439","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5439"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=\/wp\/v2\/media\/5804"}],"wp:attachment":[{"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5439"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=5439"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=5439"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=5439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}