I'm a fairly new pond owner and after finding out what it is I have dollar weed around the perimeter of one of my ponds about 4 feet out. It's not really much of a problem but off the docks I would like to be able to kill it. Is there a spray on contact herbicide that would work? I don't wnat to treat broad spectrum due to expense and killing everything in 3 acres. Thanks.
JR

21 Acres 3 great ponds all spring fed. A 3 acre a 2 acre and a 1/2 acre