Caribbean Spa Alkalinity Increaser for Hot Tubs- 16oz.

Enhance your comfort with Caribbean Spa Alkalinity Increaser for Hot Tubs. Raise the total alkalinity in your water to help reduce the pH bounce that can happen in spa water. Reduce skin and eye irritation. Proper balancing of spa water prolongs the equipment and plumbing of any hot tub. Test your water weekly to balance the pH, alkalinity, sanitizer, and calcium levels.

Try the whole line of Caribbean Spa chemicals for a safe, healthy, and clean spa for you and your family.

Always follow the label directions on any chemical. Use as directed.