Moderate to high lighting, moderate current. Will "wilt" at night when pH level goes down, don't panic. They seem to "feed" on DOM. I did seem to get a feeding response w/DT's oyster eggs, they completely balled up, I do that once a week w/ pump off. There is still a debate wether daily dosing of potassium iodide benefits this species or not. I put 2 drops a day in my 12 gallon set up. Otherwise, easy. I believe the "blues" are the Anthelia genera so hit a search engine to get more up to date info.