Quote Originally Posted by handrawn View Post
...not a leak as such, just what you tend to get when you remove bathrrom carpet that has been there for 20/30 years
So, its a pee stain? Then answer your own question why you took this picture? Or to be more precise, why did you bother to show us? I know it's the silly season but this constitutes a new low at TG..... ;-) ;-) ;-)