Swim+Spa ALK UP raises the total alkalinity of your water while eliminating pH bounce. When the pH of your water fluctuates back and forth, it is usually the result of low total alkalinity. Proper alkalinity will help maintain a proper pH. This 2lb bottle is a great choice for swim spas and larger hot tubs.
Mineral Harmony® Water Care Products are Specifically Designed for Mineral Treated Spas
