Caribbean Spa Calcium Hardness Increaser for Hot Tubs 16oz.
Prolong the life of your spa with Caribbean Spa Calcium Hardness Increaser for Hot Tubs. Caribbean Spa Calcium Hardness Increaser prevents foaming and equipment corrosion in hot tubs. Maintain a balanced calcium level in spa water to prolong equipment, filter, plumbing, and acrylic life. Weekly testing is recommended to balance all chemicals in the spa water.
- Prolong spa life
- Reduce foaming, No cloudiness
- No corrosion to equipment
- Easy to use granular
- Made in the U.S.A.