{"product_id":"clorox-pool-spa-calcium-hardness-increaser-4lb-prevents-corrosion-staining","title":"Clorox Pool\u0026Spa Calcium Hardness Increaser, 4LB – Prevents Corrosion \u0026 Staining","description":"\u003cdiv\u003e\n  \u003ch2\u003eBalance and clarity for your pool\u003c\/h2\u003e\n  \u003cp\u003eMaintaining proper calcium hardness helps protect plaster surfaces, metal fittings, and the overall comfort of your pool environment. CLOROX Pool\u0026amp;Spa Calcium Hardness Increaser is designed to gently raise low hardness levels, promoting a more stable water balance without harsh swings.\u003c\/p\u003e\n  \u003cp\u003eLow calcium hardness can invite a more aggressive water profile that may lead to surface damage or equipment wear over time. By increasing hardness, you may experience a steadier pool chemistry, clearer water, and less frequent adjustments during the season.\u003c\/p\u003e\n  \u003ch3\u003eKey benefits you may notice\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePrevents corrosion, etching, and staining of pool surfaces and fixtures\u003c\/li\u003e\n    \u003cli\u003eRaises low total hardness to stabilize water balance\u003c\/li\u003e\n    \u003cli\u003eHelps extend pool equipment life by reducing corrosive conditions\u003c\/li\u003e\n    \u003cli\u003eIdeal for plaster pools and areas with soft water\u003c\/li\u003e\n    \u003cli\u003eWorks well with the Clorox Pool App for testing and dosage guidance\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eHow to use\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTest your pool water to determine current calcium hardness\u003c\/li\u003e\n    \u003cli\u003eFollow packaging instructions or use the Clorox Pool App for recommended dosage\u003c\/li\u003e\n    \u003cli\u003eEvenly broadcast the product around the pool and run the pump to mix\u003c\/li\u003e\n    \u003cli\u003eRe-test after the recommended contact time and adjust as needed\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eCompatibility and support\u003c\/h3\u003e\n  \u003cp\u003eDesigned for plaster pools and soft water areas, this hardness increaser integrates with your existing maintenance routine and supports consistent results without altering other parameters abruptly.\u003c\/p\u003e\n  \u003cp\u003eClorox Pool App offers testing assistance and personalized dosage tips to help you manage your water efficiently and confidently.\u003c\/p\u003e\n\u003c\/div\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: What is the purpose of calcium hardness increaser for pools?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Raises calcium hardness to help stabilize water balance and protect surfaces from corrosion and etching.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Clorox Pool\u0026amp;Spa Calcium Hardness Increaser suitable for plaster pools?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s designed for plaster pools and soft water areas, with dosage guidance via the Clorox Pool App.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CLOROX Pool\u0026Spa","offers":[{"title":"Default Title","offer_id":48171950833908,"sku":"B084GQH8YF","price":17.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/clorox-pool-spa-calcium-hardness-increaser-bottle.jpg?v=1778346609","url":"https:\/\/www.cerapatiogarden.com\/products\/clorox-pool-spa-calcium-hardness-increaser-4lb-prevents-corrosion-staining","provider":"Cera Garden","version":"1.0","type":"link"}