Most people suggest waiting on both corals and anemone - skilled enough aquarists may add both without issues even to a brand new tank (they just need the right, stable parameters, good flow, and good light), but most aquarists would struggle with that for a variety of reasons.So I’ve looked into doing a reef tank next, I’ve heard most people tell me to wait until tank is very well established to add corals/anemones. Did I just misunderstand and it’s just anemones I should wait on?
As a general rule, waiting is good because it gives the aquarist time to adapt to the tank.