Swimming Pool Calcium Hardness Increaser, 4LB (Pack of 1)

Increase your pool's Total Hardness levels and prevent damage to the pool surface with Clorox Pool&Spa Calcium Hardness Increaser. Designed for plaster pools and soft water areas, this product raises Total Hardness levels in pools with levels below 175 ppm. By increasing Total Hardness, you can prevent corrosion, staining, and etching on your pool surface. With just 5 lbs. per 10,000 gallons, you can increase Total Hardness levels by 50 ppm.

In addition to preventing surface damage, Clorox Pool&Spa Swimming Pool Calcium Hardness Increaser also safeguards your pool against corrosion, etching, and staining, ensuring its longevity and pristine appearance. By maintaining balanced and stable total hardness levels, this product extends the life of your pool's cleanliness and reduces the need for maintenance.

This increaser is compatible with plaster pools and areas with soft water, making it suitable for a wide range of pool types. Plus, with the Clorox Pool App, you can test your pool water like an expert anytime, anywhere. The app provides personalized product and dosage recommendations, making it easier for you to solve common swimming pool problems.

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