Tips to Successfully Kill Duckweed

Duckweed is an aquatic weed the marginally floats on the ponds surface.  The plant structure is comprised of tiny seed like leaves that are about the size of a pencil eraser or smaller.  The leaves have a small stem (1/4-1 inch) that hangs from the leaf.  The small size and ability to float freely on the surface is what makes duckweed difficult to kill. 

Sanco knows that killing duckweed is no easy task.  Our Tsunami DQ is what we recommend to control your duckweed problems.  However, there is an art to killing duckweed and we have it down to a science.

Use the following tips to successfully kill duckweed in your pond with Tsunami DQ:

• Use the maximum dosage (2 gallons of Tsunami DQ per acre)
• Use a surfactant like Plex Mate
• Treat all of the duckweed at one time (wait till it has blown onto one side of the pond)
• Make sure you will have no rainfall for 24 hours
• Do not disturb the water after you have sprayed the duckweed
• Be prepared to do a follow up treatment about 1 week later to get any duckweed that wasn’t hit the first treatment

Following these tips to kill your duckweed will give you the best chance to get ahead of the growth.  For additional tips on killing duckweed call our helpful staff.