Xenia Dying???

[nano_ryan]

I bought a quite large colony of pulsing xenia coral a few weeks ago. And looked great until today all the polyps look almost like its getting burnt. They stopped pulsing. Whats going on? I run 3 hydra 25s on my 150 mixed reef. It runs at about 70% power. Any idea what could be causing this?? Heres a pic;

 

[Chefwheredyougo]

Water parameters? I know xenia like N03 and P04.

 

[nano_ryan]

Water parameters? I know xenia like N03 and P04.

Thank you for the response. Ammonia
0 - .25 , Nitrite 0, Nitrates 0 - .5, Ph 8.0. Also should mention the calcium is just above 500.

 

[Gordonm]

Better let them die because they'll pop up everywhere.

 

[nano_ryan]

Better let them die because they'll pop up everywhere.

Haha yeah. They grow like crazy in my 20g long tank. Spent like 50$ for that good sized colony. Still have no idea what causing it. To much light? Flow? Chemistry issue? Everything else is the tank is doing amazing...