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Due to a variety of beer styles and storage options for your keg, thereâs no set answer to this question. Depending on who you ask or what site you read, the answer will range between 20-120 days.
Dear Mr. Wizard: I am thinking of kicking the bottle habit and kegging my beer instead. My biggest concern is storage temperature and how long my beer will stay good in a keg. I've seen some articles that say the beer will only stay fresh for 45 days. Depending upon my brewing and travel schedules, I've had some beers in bottles more than 45 days and they stayed good.