Hello,
Unfortunately I'm a total newbie, and not one of the smart ones who does a lot of research first. I kind of jumped in with only a little research.
I have a 55 gallon freshwater tank. It has 8 zebra danios, 6 platies, 6 tiger barbs, 1 algae eater, 1 plectus catfish and 2 crabs. Is this...