Poolcenter - Calcium Hardness Increaser - 25 Lb Pail - Y7210

25 lb Pail of Calcium Hardness Increaser for Swimming Pools from POOLCENTER.com!

When levels drop below 150ppm, add calcium hardness increaser to prevent corrosive water that damages your equipment!

• A low hardness level can cause corrosion of your pool's plumbing and heater as well as stain or etch your pool's surface.
• When the hardness of your pool water drops below 150 ppm, just add Calcium Hardness Increaser.
• Calcium Hardness Increaser protects your pool from damage caused by corrosive water.
• Special formula works quickly and effectively.
• Calcium Hardness Increaser is easy to use and will restore your pool's water chemistry by raising the level of dissolved calcium present in the pool water.
• Use together with calcium hardness test strips.
• in several different quantities.
• Economically and competitively priced.
• Granular. Calcium Chloride.
• Dosage: 5 lbs. per 10,000 gallons will raise the hardness level approximately 40 ppm.