Clean filter as necessary and balance pH between 7.4 and 7.8 Brush areas affected with visible algae accumulations Apply 4 ounces per 10,000 gallons of pool water close to affected area; double the dose for stubborn algae outbreaks Immediately apply, to the pool 1 pound of ProTeam Power Magic per 10,000 gallons of pool water Continuously circulate pool and filter until pool clears.