medium light, medium flow, mysis once in awhile if you want to boost the growth, and make sure your magnesium levels are good. Acans are known to do the polyp bailout thing if the mag gets too low.
Like all other corals, IMO. Do a 10% weekly water change are youre close to golden. Only thing I add to my system is vitamin C powder, because the zoos seem to really like it. They are opened much better than before I was using it.