Hollywood Stunner Dying

[stuccoman]

What is happening to my Hollywood Stunner? New to the hobby and it was one of our first and best growing corals. It is dying from the initial frag I glued down out to new growth.

 

[vetteguy53081]

They do best with moderate light and water flow
Temp 77/79
Ph. 8.1-8.3
Salinity. 1.025
Nitrate < .4
Alk 8-9
Mag 1300
CA. 440