Green Water-Green Clean Green Clean Algae Control Fast, Reliable Algae Control! An EPA-registered, non-copper algaecide that kills existing string algae on contact! Visible results in minutes. May be used in ornamental ponds and water gardens containing live fish and plants. 2-lb container will curatively treat a 1000 gallon pond for an entire season; 8-lb will curatively treat a 4000 gallon pond for an entire season. With heavy growth of algae, recommended dosage is up to 1/2-lb per 1000gal – or 1-lb/2000gal. GREEN CLEAN 2-LB BOTTLE GREEN CLEAN: 2-LB BOTTLE $28.00 SKU: GRC02 Click here to save 5% off of your order! GREEN CLEAN 8-LB PAIL GREEN CLEAN: 8-LB PAIL $51.99 SKU: GRC08 Click here to save 5% off of your order! GREEN CLEAN 20-LB PAIL GREEN CLEAN: 20-LB PAIL $85.99 SKU: GRC20 Click here to save 5% off of your order! GREEN CLEAN 50-LB PAIL GREEN CLEAN: 50-LB PAIL $131.25 SKU: GRC50 Click here to save 5% off of your order! BIOSAFEGREEN CLEAN TABS 7.5lbs BIOSAFE: GREEN CLEAN TABS 7.5lbs $51.99 SKU: GRT07 Click here to save 5% off of your order! BIOSAFE: GREEN CLEAN TABS 2.25lbs BIOSAFE: GREEN CLEAN TABS 2.25lbs $24.99 SKU: GRT02 Click here to save 5% off of your order!