BrAin Coral Dieing :( HELP!

[Flow863]

After about a week my brain coral is begining to die
Any suggestions on how to save it if possible?

 

[Mrc8858]

Do you know your parameters and has there been any change to the tank in that time?

 

[Flow863]

ph 8
calcium 440
alk 10 dkh
nitrate >20
nitrite 0
no sudden changes
idk why it is dieing
all my other corals are doing fine

 

[Mrc8858]

Could be the flow. Have you tried moving it? Also, 20 is pretty high for corals on nitrates you'll wanna get that down.