1qt. Treats up to 160,000 gallons! Super strong algaecide even kills persistent yellow mustard algae. Powerful formula chelated copper prevents all common algae growth; stubborn green, mustard, and black algae. Will not foam or cloud water. Effective in all parts of the country. Contains 7% chelated copper. Recommended dosage: 2 oz./10,000 gals. water.
