Initial Treatment:
Add two (2) ounces per 300 gallons of spa water.
Routine Maintenance:
After each time the spa is used add one (1) ounce per 300 gallons of water. Add one (1) ounce per 300 gallons each week the spa is not being used. Add product with circulating pump running, continue circulating for at least 30 minutes. Turn the jets on and off once or twice after adding the product to improve the treatment.