Im buying piece by piece becasue im trying to get the best equipment i can get i have a small list of the things im going to get which is a hang on over flow box, maxspect gyre flow pump, vertex omega protein skimmer, gph return pump, dosing system, and im going to get the maxspect razor r420r led light and then need sand rock and water right now all i have is a sump the tank and auto top off i had some other stuff but i decided to just get everything brand new or close to it