Non-foaming algaecide kills and prevents all types of algae.
1. For visible algae growth, add 6-8 oz. per 500 gallon capacity.
2. For heavy algae growth, drain spa and clean prior to treatment.
Add 1-2 oz. per 500 gallons every 5-7 days.
Regular use will not only destroy existing algae but will also keep new algae from forming.
Chlorine, bromine, ozone and biguanide sanitizers.