Thanks for the reply, Andrew. You hear of these cases wehere a pond is accidently stripped of its vegetation through chemical or Grass Carp overdoses and I wondered what the consequences were. It doesn't sound very good. Guess I'll make sure I keep some weeds at all times. Maybe 20-30%. I heard cattails are good for filtering toxins, nutrients, and other solubles, but you gotta watch how invasive they can get. I have a few, but would like to keep them in check. Does cutting them constantly eventually kill some to keep them under control, or do I have to go the Rodeo chemical route?
