Puri Tech Pool Chemicals Calcium Hardness Increaser Plus for Pools & Spas (5lb)

Calcium hardness increaser for pool and spa is available in resealable bags, making storage and handling convenient. This product, known as Puri Tech pool calcium increaser, contains the active ingredient Calcium Chloride, which effectively raises the calcium hardness level in pools and spas.

Balancing the calcium hardness is crucial to prevent issues such as foaming, surface erosion, and scaling. The recommended dosage varies depending on the volume of water in the pool or spa. For 2,000 gallons, 1.5 lbs of the product can increase the hardness by 50 ppm, 3 lbs for 100 ppm, and 6.25 lbs for 200 ppm. For 5,000 gallons, the required amounts are 3 lbs for 50 ppm, 6.25 lbs for 100 ppm, and 12.5 lbs for 200 ppm.

For a 10,000-gallon pool or spa, 6.25 lbs of the calcium hardness increaser can raise the hardness by 50 ppm, 12.5 lbs for 100 ppm, and 25 lbs for 200 ppm. For the largest volume of 20,000 gallons, 10.5 lbs can increase the hardness by 50 ppm, 25 lbs for 100 ppm, and 50 lbs for 200 ppm.

This Puri Tech pool calcium increaser is formulated to act quickly, providing a fast-acting solution to adjust and maintain the ideal calcium hardness level in the water. The resealable bags ensure the product remains fresh and easily accessible for repeated use, making it a convenient choice for pool and spa owners.

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