I have a TT model B and just this morning I noticed my hands getting dirty while doing a rinse. I rubbed the inside rubber and my figure got black. I have not used this tumbler in months. Brass was all clean. So I wiped it down with a rag. It just keeps putting off black stuff. I have left it dry and does not let any more black stuff off until you wet it again.
Has anyone run into this before? Is it normal?
I really am not in a place to buy a new brass cleaner. This one works just not sure why I am getting this black stuff. Could be the rubber is falling apart?