{"product_id":"spapure-calcium-hardness-increaser-16oz-4-pack-safely-raise-spa-water-calcium","title":"SpaPure Calcium Hardness Increaser 16oz (4 Pack) – Safely Raise Spa Water Calcium","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eSpaPure Calcium Hardness Increaser is a granular formula designed to safely raise the calcium hardness in your spa water. When calcium levels are balanced, the water environment feels steadier and surfaces stay smoother, helping to reduce the risk of surface wear over time. This product is compatible with all common sanitizer systems, including bromine, chlorine, mineral sanitizers, and biguanide.\u003c\/p\u003e\u003cp\u003eWith the 4 pack included, you have a convenient supply for ongoing maintenance across seasons. A little goes a long way, and regular use supports a resilient spa environment, making your soaks more enjoyable whether you are winding down after a long day or inviting friends for an evening soak.\u003c\/p\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSafely raises the calcium hardness in spa water\u003c\/li\u003e\n\u003cli\u003eHelps stop and prevent corrosion of spa surfaces and equipment\u003c\/li\u003e\n\u003cli\u003eCompatible with bromine, chlorine, mineral sanitizers, and biguanide\u003c\/li\u003e\n\u003cli\u003e4 Pack provides ongoing maintenance and value\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTest calcium hardness with a reliable test kit and target the recommended range for your spa\u003c\/li\u003e\n\u003cli\u003eDose gradually, adding small amounts while the spa pump is circulating\u003c\/li\u003e\n\u003cli\u003eRe-test after dosing and adjust as needed to approach the target range\u003c\/li\u003e\n\u003cli\u003eFollow label directions and avoid overdosing to keep water balanced\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you may notice\u003c\/h3\u003e\u003cp\u003eAs calcium hardness rises to balanced levels, you may experience steadier water feel, reduced risk of rough surfaces, and improved protection for spa walls and components. Regular maintenance with SpaPure can support clearer water and consistent performance during regular use.\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: What is SpaPure Calcium Hardness Increaser used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It safely raises calcium hardness in spa water to reduce corrosion risk and protect surfaces, compatible with multiple sanitizers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I use SpaPure Calcium Hardness Increaser?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Test your water, add gradually per label directions, re-test, and adjust as needed for the target range.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SpaPure","offers":[{"title":"Default Title","offer_id":43979582341254,"sku":"B07QCZ6KQP","price":34.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/spapure-calcium-hardness-increaser-4pack-bottle.jpg?v=1778665012","url":"https:\/\/patiozora.com\/products\/spapure-calcium-hardness-increaser-16oz-4-pack-safely-raise-spa-water-calcium","provider":"PatioZora","version":"1.0","type":"link"}