RC Folks,
I have a black substance beginning to spread on some of my live rock. It looks like tar but it is not sticky when you touch it. It peels off when you pick at it with you finger nail.
Does anyone have an idea what this might be and how I should deal with it?
Thanks, Mike
I have a black substance beginning to spread on some of my live rock. It looks like tar but it is not sticky when you touch it. It peels off when you pick at it with you finger nail.
Does anyone have an idea what this might be and how I should deal with it?
Thanks, Mike