hey everyone i just recently turn my fowlr to a slow reef build up i have sometime of mushroom that has little nipples all over it that is growing like make but my main question is i recently got a type of green toadstool that is almost like a neon.. the first it was open and looking pretty and now when the lights on on it closes up and look all bad but when the lights go off at night it opens up ... my tank is a 25 gallon nano and the lighting i have is a quad t5ho light with 3 atinic blue a 1 12000k white can anyone help me out ... oh the coral in in the mid level of my tank
ray:
ray:

