"metspitzer" wrote:
>
>I always brush potatoes off with brush before cleaning. Today I
> noticed a potato that was covered with black spots. The hits I got
> with Google seem to be inside the potato. These are on the skin. Is
> this mold or some kind of chemical?

I'm sure everyone has seen the same thing on occasion. Sounds like "black
scurf"... potatos are still good, peel and cook.

http://www.potatodiseases.org/tuberdiseases.html