My Kenya Tree Coral and toadstool leather coral(looks like a mushroom) are compleaty closed in on them selfs. I know the temp is fine: the shrimp, clownfish, and bubble tip seem normal. Tomarrow is supposed to be a water change.

30G, no filter, power head, and the lights
LED Blue moon lights 1 hour before and lights r on from 3-11 and then 1 hour blue lights. Got home about 2:45 so only the blue lights on.
Would it be to long of darkness?