Leslie's Hardness Plus for Calcium Hardness 45 lbs

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Order today and receive your order by - (3-6 days from the 2024-06-12).


Keep your calcium hardness at proper levels at all times to help protect your pool, water, and pool equipment.
  • Calcium hardness increaser
  • Keeps your pool and equipment free from damage
  • Increases calcium hardness by 10 ppm per 1-1/4 lbs.


The calcium hardness level in a pool does not increase rapidly, but it is good practice to check the calcium hardness every month. Adding 1-1/4 pounds of hardness plus to 10,000 gallons of water will raise the calcium hardness by 10 ppm. **The minimum level of Calcium Hardness is 150 ppm.

Dosage: 1.25 lbs per 10,000 gallons


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