Dark ring on True RPE?

[clockwurk]

Is this common? I've never seen it before. I've had many RPEs but never seen one like this. Thx.

 

[A. Grandis]

http://www.reefcentral.com/forums/showthread.php?t=2325492

Grandis.

 

[clockwurk]

Thank you Grandis

 

[A. Grandis]

You're welcome.
Hope that helped a bit.

Grandis.