Coral Question

I bought this coral a week ago and it has been doing fine until the last day or so. I forget what kind of coral this is, but only one branch is opening. Would this be a water flow issue or a lighting issue? I am not sure if it is getting enough water movement around it. I have 2 koralia 3s and my lighting is 36" T5 4 bars. The coral is sitting aprox. 12"-15" from the surface. All of my other coral seem to be doing better than ever. Any suggestions would be great. As you can see in the difference in pictures from the first 4 days to the last 2 days.

Thanks,

Salinity 1.025
Temp. 78
PH 8.4
Calcium 400
Ammonia 0
Nitrite 0
Nitrate 0
Phosphate 0
Alk 161

 

is that some sort of toadstool? if it is, whats happening by the looks of it, its growing. those 3 other heads will slough off the top layer of skin. and the heads will be back better than ever. thats if its a toadstool. if not, i tried.

 

I think it is, if it is, do i just let it do its thing?

 

yup, thats all you gotta do . if you see some lose skin, you can blow it off with a turkey baster. but nature will take its course. could be a few days , maybe a week.

 

Thanks for your help

 

Its a toadstool leather. Mine do that all the time. Especially after fragging it. Won't open for a few days, then back to normal!