- Easily dissolves
- Raises calcium hardness instantly
- Adds shine and sparkle to water
- Protects spa surfaces and all plumbing
- Contributes to bather comfort
Easily dissolves and quickly increases calcium in spa water. Increasing the hardness of your spa water helps prevent etching, pitting and corrosion of spa surfaces and metallic components. Increases water hardness in one easy dose, helping enhance the life of your spa’s surfaces and equipment.