120rr,55 gal sump,29 gal fuge.2 250 watt Lumen Max Elilte Reflectors,Skimmer Aqua C EV240 w/ a mag 18,Neptune System controller Pro w/ a direct connect 8,Red sea aquazone ozone,Koralin calcium reactor,Aqua logic cyclone chiller 1/3 hp drop in,1 Vortech pump MP40w and battery back up,Main return pump is a mag 18.