On Wed, 2 Sep 2009 02:57:06 -0700 (PDT), Bolted wrote:

I find
one of those nylon scouring pads they sell for epoxy grout makes the
job of cleaning the film off without much effort even when it looks
like its dried.

Yes, works well, but I once had only a green one... The householder got a
white one later and that corrected the green tinge with very little work.
--
Peter.
The head of a pin will hold more angels if
it's been flattened with an angel-grinder.