Green Clean Pro Pond Algaecide - 50 lbs.
Can be applied for spot or perimeter treatment. For spot treatments apply at a rate of 20 50 lbs/acre-foot; for algae blooms apply at a rate of 9 30 lbs/acre-foot; for filamentous algae blooms treat at a rate of 50 90 lbs/acre-foot. Safe for use with koi and trout. EPA-approved and OMRI listed for organic use.