So what did you do? Did you pop it off or cut the stem off the plug?
Its probably just sliming from being handled and put in a new tank, lots of corals will slime will put them in the tank. Put it in a higher light and higher flow area, there should be enough flow on it to blow that slime off.
Its probably just sliming from being handled and put in a new tank, lots of corals will slime will put them in the tank. Put it in a higher light and higher flow area, there should be enough flow on it to blow that slime off.