I have a 55 gallon tank. I am using a marineland power filter. I have a bubble line in the opposing side of the filter 5 or 6 big fake plants and 3 large pieces of driftwood. Now to my fish... I will admit I was uneducated on these fish when I purchased them. I have done research now and I want some feed back on what I have. I have one Albino Tiger Oscar, 2 Jack Dempsey, and a Chinese Algae eater. I know, very aggressive choices. Well what do you think?