Encrusted Gorgonia

BangkokMatt

New member
Hello all

I have a large purple gorgonia which is slightly encrusted by a grey/white hard covering. I believed this covering to be a type of algae and it was on the Gorgonia when purchased.
The problem is it appears to be growin rapidly.
Can anybody help by identifying the substance and advising me how to deal with it. Thanks.
 
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