James Rogers wrote:
> ->could someone with scientific smarts please
explain what the heck the
> >eggshell does to the coffee?
> I have heard the efficacy disputed, and I lack the
scientific smarts you
> refer to, but supposedly it makes the grounds settle
and the resulting
> coffee less bitter. Obviously, in a world of Mr.
Coffees and percolators
> this should have no relevance at all, but I have
known old timers that just
> religiously did it anyway.
This is veering dangerously toward the Off-Topic, but here
goes:
I don't know what they do actually, but I believe it has
something to do with the calcium that eggshells contain. They
clear it up, just like they clear home-made bouillon. I think
-- don't quote me on this -- the eggs gather the foam that
comes when boiling coffee in a kettle or making bouillon from
bones and other pieces of meat. I'll ask my wife who is a
science teacher when she comes home, she knows all these
things.
Alongside with eggshells, the Finns have used also fish
scales to clear coffee. This sound very growse, but I know
it's been done. Question comes to mind: who was the first one
to throw fish scales into a coffee pot?
Juri
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