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Even a good burr grinder can sometimes leave small
particles of coffee that slip through the screen of my
French press, giving the coffee a bit of a grainy texture or
an over-brewed flavor. Proposed is a coffee maker that
uses diatomaceous earth to filter out the ground coffee,
just as a pool
filter does. This would produce extremely
clear coffee with no paper taste, and the filter would be
back-flushable.
[link]
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I wonder which components of the coffee would make it
through a carbon filter? You could simply use an absolute
aperture filter like those used for filtering drinking water -
they come in different sizes and you could play around until
you found the right size. |
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Ah yes, the old No.4 Coffee Machine. Gotta backflush every 3k gallons or so, of course. |
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Instant granules are pretty grit-free |
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Better than a DG coffee filter. |
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Depleted uranium. I like mine with a bit of zing. |
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