keep your water clean and do your water changes timely and they will be fine. really. they just need the appropriate lighting and good water and flow and they will thrive. I have some corals that are 10x bigger in just a few months and I don't do anything special really.
180g Reef - 60g Rimless Reef -90G FOWLR- 125g Malawi Cichlids- 40b REEF- 34g Fresh Planted-working on- 20L FOWLR- working on
I have a mix of many different saltwater fish amongst my tanks, but I love my Tangs most of all.