lb. Green Clean - 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 fish and plants.
Curriative application rate is 1-cup for 1000 gallon pond.
Green Clean can also be used to remove algae from NON-PAINTED surfaces such as: roofs, walkways, decks, benches...Also available in 2-lb, 8-lb, 20-lb and 80-lb
Simply apply Mosquito Dunks to any standing water, or water garden.
Kills within hours and lasts for 30 days or more.
Labeled for Organic Gardening by the US EPA.