Pond Boss Forums AQUATIC VEGETATION Controlling unwanted plants Ice out, What is this?

I'll bet you will find the same plants in the larger pond upstream. If that's the case, then you will have a constant battle on your hands.

While expensive, a neighbor treated the lake in front of their house with Sonar. It lasted a couple of years before the Eurasian Mifoil started to come back, while the neighbors on either side had it every year.