Everything else in my tank is doing great but yesterday morning I noticed my open brain didn't inflate to its regular size and it is still small today(about 1/4 of its regular size)....what can it be??
I also have a pink goniopora,lobophyllia, a gorgonian, some palys and a ton of sps and all of them are doing just as great as the day before
I also have a pink goniopora,lobophyllia, a gorgonian, some palys and a ton of sps and all of them are doing just as great as the day before