In The Swim - 25 lb. Pail Calcium Hardness Increaser
- Calcium increaser for pools prevents corrosive water from damaging pool surfaces, pool equipment and other areas around the pool
- Fast acting granular calcium chloride raises pool hardness quickly
- 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 works great as a snow melt product
This product can expose you to Bromate (when used in aqueous formulations with a chemical oxidizer such as ozone) which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.