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Coffee in the hopper
(lemmy.ml)
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this post was submitted on 13 Sep 2026
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Coffee
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Moving coffee outside of the bag in which it came almost certainly will introduce more oxygen than leaving it alone.
Leaving coffee in a hopper open to atmosphere on bottom and storing a highly porous material on top (ie bag of rice) exposes it _constantly_to a fresh supply of oxygen.
Best place to keep coffee is, broadly, in the bag in which it came, inside a plastic zipper bag if it’s not a foil lined bag, and grinding to order.
The Sage built in grinders have a switch to close the bottom of the hopper and a lid, but I wouldn’t use it for storage, myself.
I would think that a plastic bag of rice is anything but porous.
IME storing beans in a foil bag that I open and re-open every day accelerates oxidation even though I roll the top to expel all air. I suppose this is less noticeable if the bag runs out very quickly.