[pianotech] McLube ... or McCrud?

[Euphonious Thumpe]

Or humidity?

Euphonious Thumpe


--- On Mon, 1/19/09, John Formsma <formsma at gmail.com> wrote:

> From: John Formsma <formsma at gmail.com>
> Subject: [pianotech] McLube ... or McCrud?
> To: "Pianotech List" <pianotech at ptg.org>
> Date: Monday, January 19, 2009, 10:14 PM
> Shop cleaning today. Noticed some strange growth in an
> unopened bottle of
> McLube 444? that I'd bought at the Rochester
> convention. So that's been 2
> 1/2 years ago, right?
> It has been unopened, as I've been using up other lubes
> that were already
> opened. Notice the line of crud going from the bottom to
> the lid.  It's like
> it's growing from the bottom up.  Weird.  When shaken,
> it did not return to
> the clear substance that it was when purchased.  It had
> chunks of stuff
> floating in it, and was very murky looking.
> 
> Any of you guys know what that crud growth might be? 
> I'm no chemist, but
> I'd say whoever packs this stuff in the bottles should
> find an alternate
> container. Some reaction in the liquid to the lid material?
>  Or reaction to
> the plastic bottle?   ???
> 
> -- 
> JF