Calcium Hardness Increaser - Calcium Plus (15lb)

Fast-acting calcium hardness increaser designed to raise low calcium levels and protect your pool water balance.

✔ Raises calcium hardness levels quickly  
✔ Helps prevent plaster and surface damage  
✔ Protects pool equipment from corrosion  
✔ Maintains proper water balance  

💧 FREE Professional Water Test (Orders $175+)  
We come to your home — no trips, no waiting.

Perfect for correcting low calcium hardness and protecting pool surfaces

Specifications