{"product_id":"1-quart-premium-liquid-calcium-hardness-increaser-hot-tub","title":"1-Quart Premium Liquid Calcium Hardness Increaser Hot Tub","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe ideal hardness level is 200-400 ppm\u003c\/li\u003e\n\u003cli\u003e1 ounce of product per 500 gallons increases hardness by about 10 ppm\u003c\/li\u003e\n\u003cli\u003eCustomers prefer this liquid product as it can be easier to use than granular alternatives\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis product is used to increase the calcium hardness in spas and hot tubs with low levels of hardness. Low hardness levels will etch plaster and corrode equipment. Before adding this product, test the water with a calcium hardness test kit or ask your local spa dealer. The ideal hardness level is 200-400 ppm (parts per million). 1 ounce of product per 500 gallons increases hardness by about 10 ppm. 1. Determine amount of product to be added using a calcium hardness test kit. 2. Pour proper amount into spa or hot tub with equipment turned ON. 3. Run filter for 1-2 hours. 4. Water may be retested in 20 minutes.\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43379270516945,"sku":"BW-B00B842VNG","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/51zPPDXY_WL.jpg?v=1791785971","url":"https:\/\/belmontwarehouse.com\/products\/1-quart-premium-liquid-calcium-hardness-increaser-hot-tub","provider":"Belmont Warehouse","version":"1.0","type":"link"}