Pulsating xenia look wilted

[srezack]

Hello,
So I came home Monday to find my whole pulsing zenia colony wilted. Thought maybe it was just a faze but today it almost looks dead. Is there a way to save it? Or maybe I am not caring for it correctly? Should I put a small power head just for them in the tank to increase flow? I love them and how much character they bring to the tank. Thanks everyone.

 

[Overlook reef]

What are your parameters?
How long has the tank been setup? Have you done any water changes or added anything to the tank lately?

I find that Xenia is sensitive to Alk swings and will start to melt when it swings too rapidly or alk is too low.

 

[GobyWanKenobie]

+1 on the Alk.

 

[srezack]

It's been a setup for 3 years but in our house for 4 months now. The parameters seem good when tested. Everything else seems to be doing good. Only thing we added was peppermint shrimp to clean aptasia... Which is all gone now. We do our normal water changes. I'm just not sure if they are getting enough current. We used a larger power head but seemed to piss off everything else in the tank so we switched back