I had my Devils' hand coral in a smaller tank, but moved it last week to my larger show tank. It was not getting enough water flow and light in the smaller tank. Af first I did not see the Devil's hand opening up and feeding as much. So, after 2 days in the newer tank, with good lighting, I can see that it is responding and looking better, except for an area around one finger that looks to have a white color on it - or maybe it is dying? Should I use a new razor and cut that area off? I can't tell if it is disease, fungus, just the coral dying off in that area, or something injured from the move. Any ideas on what I should do?