In The Swim
In The Swim Calcium Hardness Increaser for Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 25 Pounds
—USD · ships from US
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- Tracked shipping — arrives in 2–5 business days. Complimentary on orders over $75.
- Easy returns within 30 days of delivery. See our returns policy.
- Authorised partner. Fulfilled by our vetted Amazon seller for authenticity and fast transit.
Key features
- Boost Water Quality: Prevent cloudy, dull water by restoring the right calcium levels in your pool
- Protect Your Pool: Helps stop costly damage like corrosion and pitting on pool surfaces and equipment
- Easy-to-Use Granules: Fast-dissolving formula works quickly—just measure, pour, and circulate
- Dial in the Perfect Balance: Raise hardness 50 ppm per 6 lbs per 10,000 gallons—easy, accurate, and powerful
- Multi-Use Chemical: Highly effective for swimming pools—and also serves as an industrial-grade ice and snow melt
- Brand
- In The Swim
- Department
- Pool Supplies
- Category
- Pool Balancers
- SKU
- B002WKJ90I
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