I have a 60g cube and I want to upgrade to RWs. It is 2x2x2 with mostly Zoas and LPS (plus a Monti cap and Jedi Mind Trick) and a few fish. I don't plan on adding more SPS.
Should I go with two 4's or two 8's? Any other suggestions?
Should I go with two 4's or two 8's? Any other suggestions?

