In The Swim - 25 lb. Pail Calcium Hardness Increaser

In The Swim Calcium Hardness Increaser, 25 lb Pail (Calcium Chloride) protects your pool from corrosive water by raising hardness levels.

• Calcium Hardness (Calcium Chloride)
• Granular form for fast acting results
Prevents acidic pool levels and corrosion from low calcium levels
• Dosage is approximately 6 lbs. per 10,000 gallons of water to raise hardness level about 50 ppm
• Use In The Swim calcium hardness increaser when your hardness level drops below 150 ppm
• Available in several different sizes
• Also great to melt snow!
• 25 lb Bucket!