Pool Season Calcium Increaser ( 8 / 25 LBS )

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Raises Calcium Hardness: Quickly increases calcium levels in pool water to prevent damage from low hardness conditions. 100% Calcium Chloride: High-purity formula delivers fast, re liable results—ideal for routine maintenance or seasonal adjustments. Protects Pool Surfaces & Equipment: Helps prevent corrosion, etching, and staining on plaster, vinyl, fiberglass, metal, and tile surfaces. Improves Water Balance: Maintains proper hardness levels to support overall water chemistry and enhance swimmer comfort. Fast-Dissolving & Easy to Use: Granules dissolve quickly for hassle-free application—compatible with all pool types, including saltwater. Show more