Calcium Hardness Increaser - 50 Lb. Bag filter-width_12 1/2 inches 000 gallons directly into the

000 gallons directly into the water in the deep end of the pool

and even algae

This adjustable flow pump is rated to pump 85 gallons of chemicals per day at 25 PSI

and is designed to warn patrons that children under 18 years of age must be supervised and adults should not swim alone

Calcium Hardness Increaser - 50 Lb. Bag filter-width_12 1/2 inches 000 gallons directly into theThis is a 50 pound bag of calcium hardness increaser which will raise the total the calcium hardness in your swimming pool water. This calcium 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 Chloride. Directions for Adding Harness Increaser to Your Swimming Pool: If calcium levels are low, add this product directly to