On Sat, 28 Feb 2009 14:25:56 -0800 (PST), wrote:

me here wrote:
I have a build-up of soap scum / lime scale on the shower screen.
previously this has been dealt with by steam cleaning once it got too
much for proprietary shower sprays to deal with. Then a combination
of meths and/or lime-scale remover followed by steam cleaning seemed
to be necessary. Now I cannot remove the damn stuff at all.

Done vinegar too, btw. We spray after each shower with whatever that
shower-spray stuff is, which does prevent it getting worse; but
there's still this residual blemish that nothing seems to shift.

Any suggestions?

Most of whats suggested so far will work but you'll be 80 by the time
it does. Just use brick acid, which is hydrochloric acid, and waste
time no more. _Dont_ get any drops on metalwork though, or tile grout,
or concrete, or eyeballs. Why people want to tt about with feeble
overpriced commercial products I've no idea.

NT

PS only use it if you know the basics of how to handle acids. If
clueless, leave it.

We had a very good one at work, based on sulphuric acid - doesn't go for
chrome.
Can't unforget what it was called as it was about half a megafortnight ago.
--
Peter.
You don't understand Newton's Third Law of Motion?
It's not rocket science, you know.