Algal growth can appear as "green water" blooms, filamentous algae on plants, floating algal mats and algal growth as waterfalls.
Pond owner's number one problem has been algae of various types. Previously all algaecides were non-selective and killed or damaged most plants in the pond along with the algae. 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.
Can be used in ponds with plants! Not a bacterial product but an EPA registered herbicide control.