Chris, Grass carp do a great job on pond weed. They love it. It can take over. I put 7 of them in a one acre pond that was pretty well choked up with it. It took a year but now there is no vegetation of any kind. Only 2 of the carp made it and they are whoppers. The 2 remaining ones are able to maintain it.
Grass carp, I believe, will also eat the other stuff if it is just coming up and tender in the early Spring before it has a chance to get tough.
Tilapia will eat the FA if they don't get artificially fed.
Of course, at this stage, some of that stuff might have to be nuked.
