Torch coral dying need help

[DrewBrees713]

I got a 2 heads torch but one head is limp. The other one opening up fine. Got 3 other types of torches but they are unaffected. Please help!

Alk 9.7
Cal 440
Temp 77
Trate 5-10ppm
Moderate light and flow.

 

[James M]

Pics ?

 

[DrewBrees713]

Didnt see any brown jelly

 

[James M]

How long has this been gong on for ?

 

[DrewBrees713]

24 hrs