{"product_id":"spachoice-1-quart-2-pack-premium-liquid-calcium-hardness-increaser-for-hot-tubs-made-in-usa","title":"SpaChoice 1-Quart 2-Pack Premium Liquid Calcium Hardness Increaser for Hot Tubs – Made in USA","description":"\u003ch2\u003eKeep your spa water balanced with SpaChoice Calcium Hardness Liquid\u003c\/h2\u003e\n\u003cp\u003eIn many spas and hot tubs, the calcium hardness level helps determine how the water interacts with plaster surfaces and with equipment. SpaChoice Calcium Hardness Liquid is designed to raise low hardness levels, offering a responsive option when you want to fine tune your spa balance. The result is water that can feel steadier as it travels through warm temperatures and ongoing filtration.\u003c\/p\u003e\n\u003ch3\u003eWhy calcium hardness matters\u003c\/h3\u003e\n\u003cp\u003eLow calcium hardness can leave spa surfaces more vulnerable to etching and can increase wear on equipment components. Keeping hardness within a typical range helps support the overall integrity of your spa while you enjoy your soak.\u003c\/p\u003e\n\u003ch3\u003eIdeal range and key numbers\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe ideal hardness level is 200 to 400 ppm, a range many spas target for balanced conditions.\u003c\/li\u003e\n  \u003cli\u003eOne ounce of this product per 500 gallons raises hardness by about 10 ppm, enabling predictable adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you get and why users choose it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLiquid formula offers precise dosing and faster dispersion than granular options.\u003c\/li\u003e\n  \u003cli\u003eConvenient 1 quart per bottle in a 2 pack supports consistent maintenance routines.\u003c\/li\u003e\n  \u003cli\u003eMade in the USA, bringing a domestic manufacturing touch to your spa care kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use SpaChoice Calcium Hardness Liquid\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTest the water with a calcium hardness test kit to determine your starting level.\u003c\/li\u003e\n  \u003cli\u003eDetermine the amount to add using the guideline: about 1 ounce per 500 gallons raises hardness by roughly 10 ppm.\u003c\/li\u003e\n  \u003cli\u003eWith the spa equipment turned ON, pour the proper amount into the spa or hot tub.\u003c\/li\u003e\n  \u003cli\u003eRun the filter for 1 to 2 hours to help dispersion and circulation.\u003c\/li\u003e\n  \u003cli\u003eRetest water after about 20 minutes to confirm the adjustment and plan the next step if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTips for best results\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePackaging may vary by batch, but the product remains the same trusted formulation.\u003c\/li\u003e\n  \u003cli\u003eBecause hardness targets vary, consider revisiting water balance after a full filtration cycle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Use as directed and consult your local spa dealer for guidance if you have questions about your specific system. The information here reflects the product description and common usage guidance for balancing calcium hardness in spa water.\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 SpaChoice Calcium Hardness Liquid used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It increases calcium hardness in low-hardness spas, supporting balanced water and protecting plaster and equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I use SpaChoice Calcium Hardness Liquid?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Test the water first with a calcium hardness kit, then add the recommended amount per 500 gallons, run the spa filter 1–2 hours, and retest after about 20 minutes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SpaChoice","offers":[{"title":"Default Title","offer_id":43989828731014,"sku":"B00DD6SL54","price":32.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/spachoice-calcium-hardness-liquid-bottle-1qt-2pack.jpg?v=1778886766","url":"https:\/\/patiozora.com\/products\/spachoice-1-quart-2-pack-premium-liquid-calcium-hardness-increaser-for-hot-tubs-made-in-usa","provider":"PatioZora","version":"1.0","type":"link"}