Features & Benefits
- First step in the Pristine Blue Chlorine Free System.
- Removes excess calcium and deposits it into your filter.
- Can also be used in chlorine pools for calcium control.
- Easy application: 2 oz per 1,000 gallons for pools.
- Specific dosage for spas: 10 milliliters per 100 gallons.
- Essential to backwash or clean the filter after use.