Apple ciders appear on grocery store shelves seasonally because they go bad so fast. Sweet cider keeps its fresh-off-the-shelf taste for about two weeks if it's refrigerated. ... Certain alcohols, like hard cider, don't really go bad, but the taste can change after a year or two when they begin to turn into vinegar.

Does opened apple cider go bad?

Apple cider that has been continuously refrigerated will keep for about 7 to 10 days after opening. ... How can you tell if opened apple cider is bad or spoiled? The best way is to smell and look at the apple cider: if the apple cider develops an off odor, flavor or appearance it should be discarded.

How long is apple cider good for?

The shelf life of apple cider vinegar is two years unopened, and one year once you've broken the seal on the bottle. You don't have to refrigerate apple cider vinegar once it's opened. Instead, store it in a pantry or cabinet, away from direct sunlight.