I have a 50 gallon myreefcreations sump, a mrc mr4 protein skimmer, a mrc calcium reactor, an oceanmotion 8way, custom sea life 1/2hp in line chiller, 3 400watt pfo pendants powered by blueline electronic ballasts and 2 250 watt pfo pendants powered by blueline electronic ballasts, 3 dolphin sequence 4700 pumps, a u-tube overflow and there are some other items.