Puri Tech Powder Chemicals Calcium Hardness Increaser & Stabilizer Conditioner, 25 lb Each

Puri Tech Powder Chemicals 25 lb Calcium Hardness Increaser helps raise the calcium level in your swimming pool water 25 lb Stabilizer Conditioner Kit for Pool & Spa helps protect chlorine in pool water from dissipation caused by sunlight Calcium Hardness level prevents foaming, equipment and surface erosion and scaling New resealable bag design allows chemicals to be easy to store and use