I have a 29 gallon tank with 1 swordtail, 3 giant danios, 5 bronze corys, 2 pictus cats, 2 dojo loaches, 3 glass cats, a chines algae eater, and 1 glo danio. It is a very clean ank, the cleanup crew of fish and snails do a great job. All of the fish are happy and healthy. Thinking of getting a...