POND ALGAEFIX® Effectively controls many types of green or green water algae, string or hair algae and blanketweed in ponds that contain live plants. Keeps ornamental ponds and water gardens clean & clear. Controls existing algae and helps resolve additional algae blooms. Can be used in ponds with plants! The #1 treatment for algae control Powerful and fast acting For use in ponds, fountains and waterfalls Safe for use with live plants and fish Registered with the EPA (E.P.A. Registration #8709-8)