A common garden rake will do a good job for removing aquatic vegetation such as water primrose and pondweed.

Tie a rope around the tine end with a couple of half hitches around the handle secured by duct tape � toss it out tine side down and drag it in.

A man killer tho � unless you have a couple of teenagers with an appetite for pizza...

Grass carp is the way to go for pondweed, but picky appetite for primrose.