On Jul 11, 8:52 am, ValveJob wrote:
I have white enamel toilet seats and I clean it once a week.

Underneath the toilet seat, I often find several reddish brown stains
the size of a quarter or bigger.

The stains always clean right off, but I'm wondering what in he heck
they could be.

Brown Stains on the toilet...

I'll resist temptation here.

John