I have been bad. I mean I have been really really bad.
I have used herbicides.
But that is in my past, and I am now in the process of rehab. I have a shallow 2 acre pond that is supplied only with runoff from a neighboring ag farm field. So algae (FA) has always been a big problem. I have used copper sulfate also, and where it has been somewhat effective in the past, I am worried about using it now because I added Amurs to the pond 2 yrs ago. They are alive and well and I need them to stay that way.
I do also aerate, but it is difficult to get enough aeration in a shallow pond of this size with no fresh water flow.
Is lime a good idea for a pond with fish and how will it affect the downstream area? Can you tell me what PH level I should be aiming for?
I do rake the algae, and rake, and rake, but it is still winning. All advice welcome and appreciated.