{"id":5443,"date":"2026-05-14T18:28:05","date_gmt":"2026-05-14T18:28:05","guid":{"rendered":"https:\/\/www.thompsonpoolsupply.com\/?post_type=product&#038;p=5443"},"modified":"2026-05-18T22:39:50","modified_gmt":"2026-05-18T22:39:50","slug":"calcium-increaser-8","status":"publish","type":"product","link":"https:\/\/www.thompsonpoolsupply.com\/?product=calcium-increaser-8","title":{"rendered":"Calcium Hardness bag 8lbs-Nu-Clo"},"content":{"rendered":"<div>\n<p>nu-clo Basic Calcium Hardness, 8 lbs, is a fast-acting calcium hardness enhancer designed to stabilize your pool water by raising calcium levels. This eight-pound bag arrives in convenient flake form, which dissolves quickly and evenly to deliver reliable results without clogging or residue. By elevating calcium hardness, it helps minimize corrosion risk and protects metal equipment, fittings, and pool surfaces from etching and wear.<\/p>\n<p>What sets this product apart:<\/p>\n<ul>\n<li><strong>Fast-dissolving flakes<\/strong> that begin working as soon as they hit the water, promoting quick stabilization of calcium levels.<\/li>\n<li><strong>Targeted calcium hardening<\/strong> to protect metal components (pumps, heaters, liners) and fragile pool surfaces from corrosion-related damage.<\/li>\n<li><strong>Compact 8 lb pouch<\/strong> with easy-to-handle flakes for straightforward dosing and storage.<\/li>\n<li><strong>Broad compatibility<\/strong> designed for various pool types and surfaces, making it a reliable part of routine water chemistry.<\/li>\n<li><strong>Simple integration<\/strong> works alongside your regular sanitizers and pH adjustments to maintain balanced water over time.<\/li>\n<\/ul>\n<h3>How to use Nu-Clo Basic Calcium Hardness<\/h3>\n<ol>\n<li>Turn on the pool pump to ensure thorough circulation.<\/li>\n<li>Slowly broadcast the flakes around the deep end to promote even distribution.<\/li>\n<li>Allow the flakes to dissolve completely and avoid concentrating them in one spot.<\/li>\n<li>Wait at least 24 hours, then test your calcium hardness level again and repeat dosing as needed to reach your target range.<\/li>\n<\/ol>\n<h3>Why calcium hardness matters for healthy pool water<\/h3>\n<p>Maintaining appropriate calcium hardness helps prevent corrosion of metal equipment and damage to plaster, tile, or vinyl surfaces. When calcium levels are too low, water can become aggressive, attacking metal components and etching pool surfaces. nu-clo Basic Calcium Hardness provides a straightforward solution to raise hardness levels safely and predictably, supporting longer life for pumps, heaters, filters, and the pool shell itself.<\/p>\n<h3>Why choose nu-clo Basic Calcium Hardness over other options<\/h3>\n<p>Designed specifically for quick, reliable calcium hardening, this product\u2019s flake format offers fast dissolution and even distribution, reducing the risk of localized over- or under-treatment. The 8 lb pouch is a practical, mess-free way to keep your pool chemistry on track without guesswork, making it an ideal addition to routine maintenance for both new builds and established pools.<\/p>\n<p>Ready to protect your pool from corrosion and surface wear while keeping water chemistry balanced? Add nu-clo Basic Calcium Hardness to your routine and enjoy a more resilient, longer-lasting pool experience.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>nu-clo Basic Calcium Hardness, 8 lbs, is a fast-acting calcium hardness enhancer designed to stabilize your pool water by raising calcium levels. This eight-pound bag arrives in convenient flake form, which dissolves quickly and evenly to deliver reliable results without clogging or residue. By elevating calcium hardness, it helps minimize corrosion risk and protects metal [&hellip;]<\/p>\n","protected":false},"featured_media":5799,"comment_status":"open","ping_status":"closed","template":"","meta":{"_angie_page":false,"_crdt_document":""},"product_brand":[],"product_cat":[27],"product_tag":[29],"class_list":{"0":"post-5443","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pool-chemicals","7":"product_tag-calcium-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\/5443","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=5443"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=\/wp\/v2\/media\/5799"}],"wp:attachment":[{"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5443"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=5443"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=5443"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.thompsonpoolsupply.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=5443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}