{"product_id":"natural-chemistry-spa-calcium-hardness-increaser-raises-calcium-in-spa-water-1-83-lb","title":"Natural Chemistry Spa Calcium Hardness Increaser – Raises Calcium in Spa Water (1.83 lb)","description":"\u003cp\u003eNatural Chemistry Spa Calcium Hardness Increaser is designed to raise the calcium hardness in your spa water, helping you maintain a balanced environment for soaks and relaxation. By targeting calcium levels within the recommended range, this product supports a stable water balance and clear water that feels more comfortable on the skin.\u003c\/p\u003e\n\u003cp\u003eMaintaining calcium hardness in the range of 150 to 250 ppm is a practical step in spa care. When levels are too low, water can feel more aggressive toward surfaces and may contribute to a less stable water environment. This increaser offers a straightforward way to push hardness toward a steady equilibrium, potentially supporting clearer water and smoother spa experiences.\u003c\/p\u003e\n\u003ch2\u003eWhy calcium hardness matters in a spa\u003c\/h2\u003e\n\u003cp\u003eCalcium acts as a mineral partner in spa chemistry. Proper hardness helps the water balance and may influence how water interacts with spa surfaces, plumbing, and equipment. In practice, keeping hardness within the target range can align with a calmer, more predictable spa experience and may help protect components over time.\u003c\/p\u003e\n\u003ch2\u003eHow to use this product\u003c\/h2\u003e\n\u003cp\u003eStart with a test of your spa water for calcium hardness. Compare the result to the chart on the bottle to determine the amount needed. With the spa circulating pump on high, add the required product directly into the water. Run the pump for a minimum of 20 minutes. Do not pre dissolve the treatment, as heat is generated when it contacts water. Retest and adjust if necessary to approach the 150–250 ppm range.\u003c\/p\u003e\n\u003ch2\u003eWhat you may notice\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePotentially clearer water as hardness moves toward the target range\u003c\/li\u003e\n  \u003cli\u003eAudible sense of balanced water during soaking and use\u003c\/li\u003e\n  \u003cli\u003eMore predictable maintenance steps as part of a routine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n  \u003cli\u003eIdeal for new fills or after refills when calcium is low\u003c\/li\u003e\n  \u003cli\u003eUseful when adjusting after evaporation or heavy usage\u003c\/li\u003e\n  \u003cli\u003eSimple dosing that fits with standard testing practices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy choose Natural Chemistry\u003c\/h2\u003e\n\u003cp\u003eNatural Chemistry is known for reliable water care results and a broad line of spa and pool solutions. This calcium hardness increaser works alongside other Natural Chemistry products to support a balanced system tailored to your spa care needs.\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 Natural Chemistry Spa Calcium Hardness Increaser used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It raises calcium hardness to help maintain a balanced spa water environment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How is this product applied?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Test calcium hardness, add the recommended amount directly into the spa, run the circulation pump for 20 minutes, then retest and adjust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Natural Chemistry","offers":[{"title":"Default Title","offer_id":45740377964730,"sku":"B07BTW1DK5","price":45.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/natural-chemistry-spa-calcium-hardness-increaser-bottle.jpg?v=1774778644","url":"https:\/\/gardencanada.ca\/products\/natural-chemistry-spa-calcium-hardness-increaser-raises-calcium-in-spa-water-1-83-lb","provider":"Garden Canada","version":"1.0","type":"link"}