I have a small pond (about 1/3 acre). I have a bone marrow disease which makes me limits the amount of chemicals I can use for pretty much everything that I do. All this leads to my question. What can I do, aside from manual removal by hand and tools, to help control the weeds in my pond. Grass carp, when i last checked where not legal in Michigan, even the sterile type. Are their any "organic" weed killers. I have used Barley Straw with limited success. Any other "organic" weed killers or other suggestions.
Thx,
Brian
