I need your help!
I have 29g reef tank with, 25lbs live rook, 20lbs live sand, and 110W PC
light set-up for about 4 months now. All corals in my tank look very healthy and start growing. However, the white bubble anenome and clear branch coral are turn in to brown just one week after put in my tank (they open bigger than when they were at LFS
Please let be know if something wrong in my tanks or something that I need to do to bring them back to their natural color.