my tank build

90 Gallon Perfecto Tank (Corner Overflow) -2" Sand Bed All water used is from BRAND NEW Spectrapure MaxCap RO/DI Unit 1 Magdrive 9.5 return pump Allglass Model 2 Sump w/ Corallife 125 Superskimmer No Bioballs External Refugium 9W UV Filter powerd by penguin 550 48" Coral Life...