Effectively controls many types of green or green water algae, string or hair algae and blanketweed in ponds that contain live plants. Controls existing algae and helps resolve additional algae blooms. Keeps ornamental ponds and water gardens clean & clear. E.P.A. Registration #8709-8. Can be used in ponds with plants! 8oz treats 2400 gallons, 16oz treats 4800 gallons. **NOT SOLD IN CANADA**
