ID Please

[Daimyo68]

Got this colony a few weeks ago. Original owner said he could not get it to color up. Unsure of what type of Acro it is.

Thanks

http://www.youtube.com/watch?v=Kg69a1uCxS4&hd=1

 

[Frick]

Maybe a millepora with a very loose growth structure. http://sdmas.com/corals/47.php