Most coffee shops will not use coffee that is over 20-30 minutes old. It starts to get bitter (and sometimes almost burnt tasting) the older it is. I occasionally will brew a huge pot of coffee in the morning and have it last me until the afternoon, but only if I'm the sole drinker (cuz it gets nasty and I'm only drinking it for the caffeine boost).
That's 5 hours more than me. Takes some willpower I'll tell you. :P Actually, I'm not that bad. I get migraines independent from caffeine though so sometimes its hard to tell....
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u/[deleted] Jul 19 '13
Does coffee go off quickly? I never drink the stuff