"Oren" wrote in message
...
On Mon, 18 Oct 2010 13:15:05 -0700 (PDT), "hr(bob) "
wrote:

You could try plain old Clorox (generic version also ok) bleach
applied with a toothbrush, Keep the area well-ventilated.

We bought a couple of rentals with dirty grout.

SWMBO would make a poultice/paste using TSP and allowed that to sit
for good long period. It worked well. Once cleaned and dry, the grout
was sealed.

As a kid, there was "Spic and Span". -- a cleaner!

http://en.wikipedia.org/wiki/Spic_and_Span



SWMBO???