Rudy wrote:

I have a problem with soap scum all over the shower doors. Part of
the problem is from the rotten
well water here which when combined with the soap gets hard as a
rock. I've tried every useless
bathroom cleaner on the market and nothing touches this crust. Does
anyone know of a chemical that
will cut the scum

Didja try CLR ?

I've found this stuff to work better than CLR:

http://edfredcorp.com/