Poolweb Water Balancers Calcium Poolweb #C002711-PL25
Calcium Hardness Increaser - 25 Lbs.
  • Calcium Hardness Increaser - 25 Lbs.
Poolweb #C002711-PL25

Calcium Hardness Increaser - 25 Lbs.

4.7 (3)
7 in stock
$70.27 $70.27 & ships free!
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Product Information


This is a 25 pound container of calcium hardness increaser which will raise the total the calcium hardness in your swimming pool water. This calcium di-chloride product is in granular form. For most pools, calcium hardness levels should be maintained between 200 and 400 ppm.

Active Ingredient of the Harness Increaser: 100% Calcium Di-Chloride.

Directions for Adding Harness Increaser to Your Swimming Pool:

If calcium levels are low, add this product directly to the pool water. Always apply with the circulation system operating. Brush any undissolved particles from the surface. Add 1.25 pounds per 10,000 gallons of water to increase hardness levels 10 ppm. Avoid increasing hardness more than 30 ppm every couple hours. Pool use may resume 15 minutes after the product has fully dissolved in the pool.

Product Features

  • 100% Calcium Carbonate
  • Increases calcium hardness levels
  • Pure flakes minimize clouding in pool water
  • Easy to use application
  • Eliminates a cause of pool components failing prematurely

Technical Specifications

Product CategoryCalcium
Poolweb Item #C002711-PL25
Lead Time75 days (if out of stock)
Shipping Weight25.0 lb

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Standard ground shipments may be delivered sooner depending on where you are located, and the shipping method used to ship your order. Combining multiple items onto the same order can change the delivery date and expedited shipping costs, especially if the other items are not available for immediate shipment. Transit time is calculated in business days and does not include Saturday and Sunday.

Return Policy

This item can be returned within 30 days of order. See return policy for details and how to place a return.

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