Is this growth ok in my reef tank?
I have had this black pinnacled velvetey type growth for the past few months on some of my live rock. I did ask about it before, but was unsure of the responses.
Anyway, it is about the size of a loonie and I would like to know if I should leave it, remove it or love it?
Please advise.
Last edited by newreefer_59; 01-04-2010 at 05:10 PM.
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