Hi there (again) i keep tropical fish. bout 18 months now i guess, kept a few dif things, Im now keeping Discus i have 7 4/5 inch mixed discus mixed in with 6 glass catfish 3 black widow tetra, 4 young ancistrus, 3 rams bolivian red and blue 2 banjo cats 4 cory 1 lemon tetra ( he came out of a...