Generally speaking, CLR will not harm fabric. However, it will etch almost
anything containing calcium (that's what the C is its name stands for). DO
NOT use it on concrete or marble, or other calcium based substances.

"Wim" wrote in message
...
Or clean with vinegar and baking soda, 1903 style ;-)

--
c ya Wim
www.cork.org


"JAXAshby" wrote in message
...
: FWIW CLR etched the marble in my bathroom. This stuff is no joke.
:
:
:
: marble in a bathroom is exceedingly rare for houses built after 1903.
:
: Maybe it is time you moved into a newer tract home.