Thank you ryanb91, Froggy, tnyr5, Tater11, and steevareno2002.
Tater11, the system is quite simple.
Tank: 4'x5'x2' tall.
Sum: 90 gallons tank; holding about 300 pounds live rock.
Skimmer: Reeflo Orca 250
Return pump: Mag 18
Circulation: Mag 18 return pump + four Tunze 6010 with controller.
Lighting: Winter: four 400w radiums or XMs; Summer: sixteen 54
watts T5s
I also run a big Calcium reactor.
Steevareno2002, the corals are about 3 to 5 years. Some of them were getting trimmed a few times.