SONAR A.S. is a broad spectrum herbicide for the management of aquatic vegetation in fresh water ponds, lakes, reservoirs, potable water sources, drainage canals and irrigation canals. Sonar is very effective on duckweed and milfoil.
Sonar should be applied early in the season, prior to or just after plant growth begins. Treatments may last for several seasons. Sonar is absorbed by the plant and inhibits its ability to photosynthesize, causing it to die.
Initial results may be seen in 10 days. Complete kill can take 30 to 90 days.
Sonar is effective in extremely low concentrations. Therefore, relatively little Sonar A. S. is required compared to other herbicides, this saves significant time and effort in application and may be just as cost effective.
Vascular Aquatic Plants Controlled by Sonar include:
Vascular Aquatic Plants Partially Controlled by Sonar include:
Partially Controlled Shoreline Grasses including:
Water Use Restrictions:
As always, read and follow the label instructions for complete information on use, application and restrictions. Click link to download label: Sonar-AS_Label
Understanding herbicide application can be confusing. Call us toll free for assistance: 877-389-2514
Available in four sizes: 8 oz., Pint, Quart, and Gallon.
Due to state Restrictions, we are unable to ship THIS USEPA registered herbicide to the following states: Alaska, California, Connecticut, Hawaii, Idaho, Maine, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, Vermont, and Washington.