About this item BENEFIT: Decrease and balance the pH levels in your spa water or hot tub for beautiful clarity, improved sanitizer efficiency and a more relaxing experience IMPROVES PERFORMANCE: Allows sanitizer to work more effectively; Prevents scaling of spa surfaces and equipment CONTAINS MINERAL CRYSTALS: HTH Spa pH Down is formulated to provide a more relaxing spa experience COMPATIBLE WITH ALL SPAS: HTH Spa pH Down is great for all spas, including bromine, chlorine and biguanide YOU’RE ALL CLEAR WITH HTH: For best results, use HTH Spa Test Strips twice a week to test, balance and maintain total pH levels between 7.2 and 7.8 ppm














