{"product_id":"aquadoc-spa-calcium-hardness-increaser-32-oz-usa-made","title":"AquaDoc Spa Calcium Hardness Increaser – 32 oz, USA Made","description":"\u003ch2\u003eBalanced hardness for a better hot tub experience\u003c\/h2\u003e\n\u003cp\u003eAquaDoc Spa Calcium Hardness Increaser is a 32 oz formula designed to help hot tub water reach and maintain the calcium hardness levels recommended for many spa systems. By supporting a proper hardness range, this product aims to protect spa surfaces, heaters, and other components from the wear that can come with softer water. The result is a spa water environment that feels steadier and more predictable, making routine use and maintenance part of a smoother routine.\u003c\/p\u003e\n\n\u003ch2\u003eKey benefits at a glance\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSupports proper water hardness so your spa feels steady and balanced over time.\u003c\/li\u003e\n  \u003cli\u003eHelps reduce the risk of soft water damage, contributing to protective conditions for surfaces and equipment.\u003c\/li\u003e\n  \u003cli\u003eHelps limit corrosion and surface wear by maintaining a stable water profile in the hot tub.\u003c\/li\u003e\n  \u003cli\u003eQuick-dissolving granules disperse easily in circulating water for convenient use.\u003c\/li\u003e\n  \u003cli\u003eContributes to clearer, balanced water by reducing cloudiness and scaling as part of a regular care routine.\u003c\/li\u003e\n  \u003cli\u003eMade in the USA with consistent quality standards for reliable spa performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to use with confidence\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAdd the directed amount to your hot tub, then circulate the water for 1 to 2 hours.\u003c\/li\u003e\n  \u003cli\u003eRetest the water to ensure hardness stays within the recommended range for your spa model.\u003c\/li\u003e\n  \u003cli\u003eKeep your routine simple by incorporating this step into regular water care and testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy choose AquaDoc\u003c\/h2\u003e\n\u003cp\u003eMade in the USA, AquaDoc products are crafted to support long-term spa performance and comfortable water. This Calcium Hardness Increaser is designed to be effective without requiring special handling, helping you maintain a reliable hardness setpoint as part of your overall water care plan. While results can vary with usage and water chemistry, many hot tub owners appreciate the consistency it aims to provide when used as directed.\u003c\/p\u003e\n\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 AquaDoc Spa Calcium Hardness Increaser used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It helps raise calcium hardness to support balanced spa water and protect surfaces when used as directed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I use AquaDoc Spa Calcium Hardness Increaser?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Add the recommended amount, circulate 1–2 hours, then retest to confirm the hardness is within the desired range.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAV AquaDoc","offers":[{"title":"Default Title","offer_id":48207994749172,"sku":"B0G2C9B573","price":42.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/mav-aquadoc-spa-calcium-hardness-increaser-bottle-front.jpg?v=1778426703","url":"https:\/\/www.cerapatiogarden.com\/products\/aquadoc-spa-calcium-hardness-increaser-32-oz-usa-made","provider":"Cera Garden","version":"1.0","type":"link"}