treating

How do I get the bad bacteria out of my breeder pen ponds? I have heard of barley balls and copper sulfate as well as enzymes and chemicals. What works best for the least amount of expense? any suggestions?

Hello everyone: I have a three year old that damaged a main beam. The end snapped off and is hanging by a piece of velvet. There is no bleeding and the cut piece is dark in color, not red with blood. I have been keeping a close eye for flys and maggots and have not seen any, however, last...