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> pathogens cant live in beer

Depending on the beer there might be live yeasts in it.

Beers can still go bad. Not always from a "not safe to consume" but often at least a "not going to taste very good anymore" kind of thing. Beers will end up oxidizing, the stuff in the beer will degrade over time, etc. Not all beers age well, some need to be had within a certain period of freshness.

Generally I prefer a "born-on" date for beer.




A born date is a nice idea actually, they do it for wines so it would transfer easily. When you say beeds end up oxidizing, could this kind of activity cause maybe a reaction to say an aluminium can for example ?


Most aluminum cans have a plastic lining inside of the can. Assuming the lining was undamaged and applied properly, it should prevent the beer from reacting with the can for a long while. Usually, the oxidization is with the oxygen which was already dissolved in the beer during brewing (important to have some for fermentation) but depending on ingredients oxidization can happen without the presence of molecular oxygen.




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