Sonar herbicide is a great product for duckweed control. Combine with an algaecide such as Cutrine Plus for algae control. Sonar herbicide should be applied with a sprayer.
Sonar is a proven and popular active ingredient for controlling aquatic weeds in fresh water ponds. Sonar effectively controls a wide range of floating, submersed and emersed aquatic vegetation, including duckweed. Do not irrigate established turf/plants out of treated pond for 30 days see label in resources.
Controls and prevents: Hydrilla, Bladderwort, Watermilfoil, Naiad, Elodea, Water-lily, Pondweed, Coontail and Duckweed.
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