Hello,
I have a 29 gal community tank. I will say that it has many many fish in it. It has all live plants, mainly huge Java Fern, a large amazon sword, and dwarf water lettuce floating up top. I do a 40% water change weekly. Recently, I've noticed that the Cory cats in the tank keep "jumping". I did some research and my thought from my finding is that there is not enough aeration, or water movement from the filter. Do you have any tips on how to increase water flow from the filter, or other things I can do that do not cost money?
