Leisure Time Calcium Booster

Leisure Time Calcium Booster increases water hardness and helps prevent corrosion.
Calcium Booster is used to increase water hardness. Water containing low calcium will etch plaster and corrode equipment and may cause foaming. By maintaining a hardness level of 150-400 ppm, the spa's life will be extended. Calcium levels can be measured with a test strip, test kit. This product is compatible with all sanitizers including bromine, chlorine and biguanide.