Well I have a 125 gallon with a 200 lbs of live rock. I have 2 yellowtail damsials, 2 green chromis, 1 korean angel, yellow tang, foxface,
2 o.clowns and a blue hippo tang. 3 emrald crabs, several hermits and snails. I have 3 powerheads in the tank 2 seio 620's and maxijet 1200.