{"product_id":"spapure-calcium-hardness-increaser-16oz-protect-spa-surfaces-system-compatibility","title":"SpaPure Calcium Hardness Increaser 16oz – Protect Spa Surfaces \u0026 System Compatibility","description":"\u003ch2\u003eEnhance Your Spa Water Safely\u003c\/h2\u003e\n\u003cp\u003eThe SpaPure Calcium Hardness Increaser is a granular formula designed to gently raise calcium hardness in your spa water. Higher calcium levels can support a more stable water balance and contribute to a smoother, more comfortable spa experience.\u003c\/p\u003e\n\u003cp\u003eKey benefits to consider:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSafely raise calcium hardness levels in your spa water\u003c\/li\u003e\n\u003cli\u003eHelp stop and prevent corrosion of spa surfaces\u003c\/li\u003e\n\u003cli\u003eCompatibility with all systems including bromine, chlorine, mineral sanitizers, and biguanide\u003c\/li\u003e\n\u003cli\u003eSuitable for use in all spas and hot tubs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePractical use scenarios include topping off a spa after refills or adjusting balance after frequent use. The product dissolves in water, and regular testing combined with measured dosing helps keep calcium levels in the target range without guesswork.\u003c\/p\u003e\n\u003cp\u003eWhy choose SpaPure? The formula is designed to work across different sanitizers and care routines, supporting the durability of shells, fittings, and heaters by reducing the risk of corrosion. Individual results vary, but many users experience more predictable readings when calcium hardness stays within recommended ranges.\u003c\/p\u003e\n\u003cp\u003eUsage tips and best practices:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTest water regularly and follow the dosing directions on the label\u003c\/li\u003e\n\u003cli\u003ePre dissolve small amounts in a container of water if recommended by your test kit\u003c\/li\u003e\n\u003cli\u003eDisperse the product evenly around the spa while the circulation pump is on\u003c\/li\u003e\n\u003cli\u003eRe-test calcium hardness after treatment and adjust as needed\u003c\/li\u003e\n\u003c\/ul\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 increases calcium hardness in spa water to help prevent corrosion and protect surfaces while maintaining system compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is SpaPure compatible with my spa system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it is compatible with all systems, including bromine, chlorine, mineral sanitizers, and biguanide.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SpaPure","offers":[{"title":"Default Title","offer_id":45739672993978,"sku":"B0045W037Y","price":40.72,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/spapure-calcium-hardness-increaser-bottle.jpg?v=1774745656","url":"https:\/\/gardencanada.ca\/products\/spapure-calcium-hardness-increaser-16oz-protect-spa-surfaces-system-compatibility","provider":"Garden Canada","version":"1.0","type":"link"}