3 tanks running right now, a 5 gallon with a goldfish in it, 10 gallon with albino pleco, 6 albino tiger barbs and 2 columbian sharks, 20 gallon with adf, blue gourarmi, marble anglefish, strawberry tetra, platy, snail, 2 plecos. Setting up a 130 gallon for a community tank and a 50 for the sharks as a brackish tank.