AlgaePhos Algaecide® is a multi-action formula that prevents algae growth and reduces phosphate levels in your pool water.  Compatible with any type of pool sanitizer.

Useful Tips:

Add 16 fl. oz. per 25,000 gallons of pool water for the initial dose.
Thereafter, add 4 fl. oz. per 25,000 gallons of pool water weekly, or after heavy rain.