No idea. We go thru it so quickly that it is not an issue.
Buy our beans at Costco. Medium dark or dark. French Roast, Expresso Roast, etc. Grind them for each brew, and use a cone filter.
We do not freeze the beans. We keep them in their airtight packet.
We prefer stronger, European style coffees. If we brew a pot, ie 4 cups, it does not sit around for very long.
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