closed zoa

I got new corals about three weeks ago. Some of them opened up right away and stayed completely open, one of them opened up at first and then closed up and some of them haven't opened at all. - GSP, Yuma mushroom, utter chaos zoas and captain jerk opened up immediately and look great. - Two...

Hey, I have some Kung Fu Fighter Zoas. They started decent (only opened like 80%) but then suddenly closed up entirely for about 2 weeks, and they were shedding a bit. Now they have a bit of film algae or something growing on them. I've brushed them off and basted them a couple times, but it...