Okay, my interest has been peaked; what do I need to have a reef?
I have a 90 gallon FOWLR with 1 Cleaner Shrimp, 2 Firefish and 1 Solar Fairy Wrasse (all of whom I know to be reef safe).
I don't have a sump or fuge, but I manage fine without them and have two bunches of caulerpa and...