No shipment to AK, CA, CT, ID, HI, ME, MA, NH, NY, RI, VT, WA & Canada. 

32 oz treats uip to one acre.

Sonar A.S. is designed for water bodies with minimal flow and offers whole pond or lake treatment. A wide range of aquatic weeds are controlled using Sonar A.S. with exception of algae species. 

This 41.7% Fluridone product is excellent for whole pond and lake treatments. Sonar A.S is a selective systemic aquatic herbicide for management of aquatic vegetation in fresh water ponds, lakes, reservoirs, drainage and irrigation canals. 

It is important to maintain the recommended concentration in contact with the target plants for a minimum of 45 days so application early in the season, prior to or just after plant growth begins, is best.

• Sonar A.S. should be applied early in the season, prior to or just after plant growth begins
• Effective on duckweed and milfoil as well as many other vascular aquatic plants
• Treatments may last for several seasons in many cases, depending on plants
• Absorbed by the plants and inhibits the weed’s ability to make food, causing it to die.
• Initial results can be seen in ten days. Complete kill can take 30 to 90 days.
• Dosage rate of 32 fl. oz. will treat up to one acre
• Available in 8 fl. oz., pints, quarts and gallons
• Active ingredient is 41.7% fluridone
• Always read and follow label directions
• No shipment to AK, CA, CT, ID, HI, ME, MA, NH, NY, RI, VT, WA & Canada