Will this work? Its for pools and spas....
Granular product adjusts water pH and alkalinity down. Provides a greater amount of control for large and commercial spas
• Spa Down, Lowers pH, 2.5 lbs.• Lowers pH and total alkalinity• Increases effectiveness of sanitizer• Tips: It is important to maintain the pH between 7.2-7.8. High pH (above 7.

can cause scaling and/or cloudy or colored water.• Compatible With: Chlorine, bromine and biguanide sanitizers
Internet/ Catalog Only
Internet/Catalog #100472668