Spa Granule pH Plus 2 lb, Hth, Mfr#: 86133

HTH Spa pH Up helps balance pH levels in your spa water improving both water quality and comfort. pH Up not only ensures that your sanitizer is working more efficiently but it helps prevent corrosion of spa surfaces as well as significantly reduces skin and eye irritation. HTH Spa pH Up is great for all spa types including bromine chlorine and biguanide.