Pond Boss Forums AQUATIC VEGETATION Controlling unwanted plants Spraying during the spawn???

I spray chelated copper into my fish culture ponds to control filamentous algae quite often around harvest time without adverse affects. I don't consider it a waste of money in my ponds or my customers ponds because some bodies of water would be unusable if not treated for algae. I think that people should take steps to prevent algae (e.g. stabilize shorelines, establish native vegetation, aerate if applicable) but I don't see anything wrong with periodic chelated copper applications to kill filamentous algae that is choking out all other native aquatic life.