Benefits
Eliminates and prevents waterline and scum rings
Reduces the amount of required filter maintenance
Naturally enhances the clarity of spa water
Increases the efficiency of other water treatments, so you can add less of them
Applications
Apply to the spa while circulating on the lowest setting
Initially: Add 1 ounce for every 100 gallons of water
Weekly: Add 1-2 ounces for every 500 gallons of water
Avoid superchlorinating water for 24 hours to insure maximum effectiveness