{"product_id":"b00np4u3nm","title":"Hot Tub Things Calcium Increaser, Liquid Spa Water Hardness Booster for Hot Tub \u0026 Spa, Supports Equipment Longevity, Enhances Water Balance, Reduces Foam, Salt System Compatible, 32 oz","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eMAINTAINS OPTIMAL CALCIUM HARDNESS: – Boosts calcium hardness in hot tub and spa water to ideal 80–200 ppm range. This calcium hardness increaser for hot tub helps protect surfaces, jets, and heaters while improving sanitizer efficiency and water clarity.\u003c\/li\u003e\n\u003cli\u003eENHANCES EQUIPMENT DURABILITY \u0026amp; FUNCTION: Soft or low-calcium water can shorten spa equipment life. Our liquid calcium hardness increaser helps maintain proper mineral levels to support heaters, pumps, jets, and metallic parts in hot tubs and saltwater spas.\u003c\/li\u003e\n\u003cli\u003eREDUCES FOAM AND CLOUDINESS: – High water hardness supports cleaner, clearer spa water. This spa calcium hardness increaser helps reduce sanitizer demand, prevents hazy water, and works with chlorine, bromine, and mineral-based spa care systems.\u003c\/li\u003e\n\u003cli\u003eEASY DOSING \u0026amp; MAINTENANCE: – With pump running, add 1 fl oz per 500 gallons to raise calcium hardness about 10 ppm. Wait 2 hours and retest, repeating at half dose if needed. Use weekly or after draining to maintain optimal spa water hardness balance.\u003c\/li\u003e\n\u003cli\u003eRELIABLE SPA FORMULA \u0026amp; SYSTEM COMPATIBLE: – Designed specifically for spas and hot tubs, this calcium hardness increaser works seamlessly with chlorine, bromine, saltwater, and mineral sanitizer systems. Made without fillers for clean, effective water hardness control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : Hot Tub Things\u003c\/li\u003e\n\u003cli\u003eItem Weight : 2.1 Pounds\u003c\/li\u003e\n\u003cli\u003eItem Form : Liquid\u003c\/li\u003e\n\u003cli\u003eProduct Benefits : Protects hot tub from corrosion caused by low calcium\u003c\/li\u003e\n\u003cli\u003eUPC : 850511004222\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"HotTubThings","offers":[{"title":"Default Title","offer_id":45808663756998,"sku":"B00NP4U3NM","price":35.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2425\/0822\/files\/61tE3eWN0hL._AC_SX679.jpg?v=1777623867","url":"https:\/\/aquashieldpro.us\/products\/b00np4u3nm","provider":"AquaShield","version":"1.0","type":"link"}