SpaGuard Calcium Hardness Increaser for Spas
Granular formula to raise calcium hardness in spas. Helps prevent corrosion by maintaining proper water balance. Customers note easy application and mixed results on hardness increase
Highlights
- raises calcium hardness
- easy-to-use granular formula
- helps prevent equipment corrosion
Pros
- easy to use granular formula
- helps raise calcium hardness
- supports water balance
Cons
- mixed results on hardness increase
- mixed feedback on bottle size and longevity
Best For
Features
- Grainy granular formula raises calcium hardness in spas
- Maintains calcium levels to keep spa water within 200-400 ppm
- Helps prevent corrosion of plumbing, jets, fixtures, and tub surfaces
- Supports longer equipment and surface life by stabilizing hardness
