Elegance coral closed from 2 months not opening

[Mohammad.ki]

Hello , pleas help me

I have this nice elegance coral after i get it i read that they like to eat ,so i stoped the wave maker and i add on the top of it some Misis frozen food after that day they closed and not opening anymore at all it open a bit this case from two months and still closed , why it's dieing or what i did a mistake i feed it frozen food

My water Mg ≈1350, kh ≈9.3 , Ca ≈450

All my coral happy nothing error only this one after feeding they did that

Pleas any help urgent to save it

 

[blaxsun]

I can't see anything in the lower image. You should always thaw food before feeding...

 

[Mohammad.ki]

I can't see anything in the lower image. You should always thaw food before feeding...

For sure i thaw the food my case is elegance coral not opening now how to save it

 

[1112-425XL]

I keep mine on a frag rack about halfway up the side glass, and it thrives with low to med flow. When I kept elegance low in the tank or in the sand bed they've never done well.

 

[Mohammad.ki]

Pleas help me i need solution this case happened last two months till now i do not want to lose it what should i do for it refeed it or change his place or what ???