I wanted to wet my feet and start slow, so I have my tank fowlr the last 6 months. My system include 2 overflow, sock filter, skimmer, refugium, then return. Currently it seem to be doing fine.... Now I just started to go into zoas and corals... (end goal is mix reef) what addition item I need to incorporated into my system seeing summer is close (chiller?) and other dosing since I notice everyone doing reactor this and dosing that... what next to add to the system...:idea: