Cal-Plus is a granular calcium increaser designed to raise low calcium hardness in pool water. Maintaining proper calcium levels helps protect pool surfaces and equipment from corrosion while supporting overall water balance. Ideal for larger pools or regular maintenance, it dissolves easily and is simple to apply.
Key Benefits
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Raises calcium hardness levels
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Helps prevent corrosion and surface damage
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Supports proper water balance
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Easy-to-use granular formula
A dependable solution for healthy, well-balanced pool water—available at Swim & Spas.
