Hi Peter & all

> I think that it is sodium carbonate decahydrate

yes, you are correct... I should engage brain first :-)

> Must admit that I have not heard of using it for stale foundation.  How
long
> do you soak it?

Not soaked, just dipped in and pulled out, I guess two to three seconds
exposure.

It only partially sticks to the foundation surface and dries with a white
stain.

Best Regards & 73s, Dave Cushman... G8MZY
Beekeeping & Bee Breeding Website
Email: [log in to unmask] or  [log in to unmask]
http://website.lineone.net/~dave.cushman & http://www.dave-cushman.net

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