Pond Boss Forums AQUATIC VEGETATION Controlling unwanted plants Copper sulphate

I'll start by listing 2 sides to the story (at least that's my take on it)

http://www.alliedbiological.com/images/newsletter_2006_Fall2.pdf

http://www.chemone.com/default/other/ark_aquafarming_vol_21_no_2_fall_2004.pdf

I have used chelated copper in my pond when trout were in the pond. I treated areas that were about 40'-60' wide by about 5' out from shore with no trout dying that I could see. Do I recommend doing it? NO! But, since it was my pond, I wanted to test it.