Hi I’m just starting my 300 gallon reef aquarium (96”x24”x30”) with a 38” stand and 12” canopy. Lighting consists of 2 250w MH’s and 4 96w PC’s retros for right now I want to add T5 HO lights also. Trapezoid overflow with 4 returns, a sequence hammerhead external pump, the plumbing is 2” PVC...