Add 1 lb of BioGuard BurnOut 3 per 10,000 gallons of pool water or 1 lb of BioGuard BurnOut 35 per 6,000 gallons of pool water or 1 lb of BioGuard Smart Shock per 12,000 gallons of pool water. Follow application directions on these products. Allow to circulate for 1 hour. With pump and filter operating, apply 16 fl oz of this product per 10,000 gallons of pool water directly to the pool in the area of heaviest algae growth. Continuously circulate pool water for the next 24 hours. Afterwards, thoroughly brush pool surface. Prior to re-entry test chlorine level. Do Not re-enter pool until chlorine level is between 1-4 ppm. In cases of persistent algae repeat brushing and application after 2-4 days. A filter aid may be used to enhance filter efficiency. Chemically cleaning the filter is recommended 3 to 4 days after treatment.
