100% calcium chloride. Increases calcium hardness. Maintains a proper range of calcium hardness to prevent damage to pool surface and equipment. The water will dissolve anything it comes in contact with until an adequate water hardness level is reached.
- Active ingredient - Calcium Chloride
- Effectively raises hardness
- Prevents corrosion on all metal parts
- Prevents etching
- Protects heating elements
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Calcium Increase (Hardness)