hey guys i finally got my sump for my tank its a 55 gallon sump , on a 150 gallon tank, the refrigium has 20lbs of live sand and 15 lbs of live rock. it has 3 cylinders inside that have Activated carbon,denitrate,and phosguard. i also have my 125 coralife skimmer, and a 15 watt and 8 watt uv...