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Product Overview
These granules maintain a balanced calcium hardness in pool water to prevent the corrosion of metal surfaces, protect pool equipment and keep bathers comfortable.
DIRECTIONS FOR USE: 1. Check calcium hardness using a testing kit. The ideal recommended level is 200 to 300 ppm. 2. To increase calcium hardness by 10 ppm, dissolve in a bucket of water 120 g per 10,000 L of pool water. Add to the pool water. 3. Check calcium hardness levels regularly and make necessary adjustments.