Keep it or can it? I have a small area of it, and it has pretty little yellow flowers. I could likely manually control it with some effort, but wondering if I should just ignore it? Any known problems with it in a pond?

It can spread all over some ponds. We get it in a couple shallow duck ponds, but I like it. I have never seen it in my deeper ponds.

Going to get rid of it. Realized that a small pond down the road is choked out by it. Sure the flowers are pretty, but the stuff appears to be an aggressive floating plant.

I know wjere my sample came from now.

So this stuff is back with a vengeance this year, stretching from the bottom 12' down all the way to the surface with nice bright flowers. It is soft, but annoying to swim in. Water has ridiculous clarity for summer after our Soilfloc treatment, and I think that is fueling the plant growth. We are about 4" of rain below average, so losing water to evaporation, but no silt from inflow either to lower light to the bottom.

It actually is an attractive plant, but amazingly is choking out the curly-leafed pondweed.

My question is: Will grass carp eat it? I may finally pick up one or two GC to tame the weeds a bit, not eliminate them. I don't really want to use dye in the spring, I just don't like the look.

Thanks

Yes they will eat it, they are controlling it in a 1 acre pond for a client. We stocked 5 of them at 12+" length.