Originally Posted by carey
My duncan did stay closed for over a week but I think it was due to it popping 5 new heads, maybe it needs that extra energy for reproduction. But thats only what I think, hasnt been proven as why they didnt open.
My Duncan stayed open when poppin new heads, etc. Mine did stay closed when there was to much flow hitting them. It was even more flow hitting it at the lfs
, then in my tank. Kinda weird, lol. After moveing it were there was some water movement but not alot it opened right up. Such a beautiful coral.