Rainbow Acan Dying?

[Isoprene]

All my other acans and LPS are doing great except for my rainbow which has not moved or had any reason to shrink up today like it has. I have kept an eye on it all day and its still the same as earlier. Anyone know what could be up? My only thought is that my new tang is nipping, but only this one acan? All my sps, lps, zoas are out and beautiful. I hope I dont lose him this guy is SUPER colorful!

 

[Isoprene]

bad picture but this is the before shot, the first one is today.

 

[RalphsReef]

I have had many acans just wither up and die without explanation while all other corals were doing fine. Keep an eye on the tang, anyhow.

 

[firsttime]

Move the piece to indirect light and flow , see if that helps. Any location you move it to give it atleast a week to adjust. At night look to see if the tentacles are out.

 

[Darren]

I had a whole colony shrink up on me today over the course of about 8 hours. Last check it was reinflating. I think sometimes they just do this...

 

[Isoprene]

Frustrating but good news is it started to expand again a little before lights out. Crossing my fingers I hope this guy pulls through.

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