its a 36x12x20 i believe its a 40 gallon. its been running for about 3 months now, it is planted. My angel is small, about 2 inches from top to bottom. Tankmates are 2 festivum cichlids, 3 keyhole, 6 neon dwarf, 6 cory(pandas), 1 oto and 1 wood shrimp. as far as water stats I only know nitrite...