I have built a 180 gal reef system. Initially, I purchased (3) PFO 400watt MH w/ Ushio 10K's, (2) Icecap 660's with (2) 72" actinic VHO's and (2) 72" Daylight VHO's. I wanted the flexibility to keep SPS, Clams and softies, so I wanted a lot of flexibility in the system. All together this is...