Clorox 12204CLX Calcium Hardness Increaser, 4 lbs

Highlights:

• Size : 4 lbs
• Composition : Calcium chloride
• Form : Solid Granules
• Solubility : Soluble In Water
• Density : 749 kg/cu-m
• Prevents surface damage
• Reduces corrosion. staining and etching
• Usage : For Plaster pools and Soft Water areas