I get a few bags of beans delivered once a month usually about 1-2 weeks old by that stage.
All seems good for the first bag and the first week or two. But by the second or third bag, where I've just opened it but they're now 3 or 4 weeks old, I get poor coffee.
At a normal grind I get 9 bar pressure. On an older grind I won't get any extraction. But if I coarsen up the grind then I get a watery extraction AND fail to achieve pressure (it only reaches 5/6/7 if I'm lucky).
Sometimes with slightly older beans (after a few days) I also fail to achieve pressure but get it right by coarsening up a little. But my observation for much older beans (though fresh in the packet) this doesn't work.
Is is it possible to get anything useful out of month old beans still in the unopened pressure packet? I'd like to know if I'm doing something wrong.
All seems good for the first bag and the first week or two. But by the second or third bag, where I've just opened it but they're now 3 or 4 weeks old, I get poor coffee.
At a normal grind I get 9 bar pressure. On an older grind I won't get any extraction. But if I coarsen up the grind then I get a watery extraction AND fail to achieve pressure (it only reaches 5/6/7 if I'm lucky).
Sometimes with slightly older beans (after a few days) I also fail to achieve pressure but get it right by coarsening up a little. But my observation for much older beans (though fresh in the packet) this doesn't work.
Is is it possible to get anything useful out of month old beans still in the unopened pressure packet? I'd like to know if I'm doing something wrong.

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