2. Using a Kegerator with CO2. Unlike the manual pump above, a kegerator using CO2 to dispense your beer will keep it fresher for much longer. This is because the keg remains pressurized, but avoids oxidation. In this instance, your beer can remain fresh for months, but the overall time really depends on the beer itself.
Beer may spoil due to the growth of harmless bacteria or exposure to oxygen. The alcohol in beer slows down the growth of bacteria, while oxygen speeds up the process. Oxygen also causes beer to go flat. Once tapped, a keg of beer will start to spoil in approximately 48 hours from the exposure to oxygen.
As you can see, the answer to the main question is affirmative, beer can go bad. If it’s a pasteurized beer, it happens extremely rarely, but it might happen. Storing beer for an extended period of time, however, isn’t beneficial to the beer and if it’s a standard lager, it’s better to consume it before the “Use By” date.
So you have a few bottles or cans of beer sitting in the pantry for a few months already. The best-by date is soon approaching or the beer is already past it. Does beer go bad? Common sense would suggest that beer retains its quality for a long time as long as you didn't open it, but that's not true.
Learning Center > Beer Info > Beer Education > When Good Beer Goes Bad (And Why It Does ... but I find the tulip or snifter to do more justice to almost every style of beer. Dirty Taps: If you buy kegs from a brewer to hook up to your kegerator or other ... The heart of all this is simply to broaden understanding about what causes beer to go ...
You pop the top, lift the beer to your lips, and then you wonder… does beer go bad? Are you wondering if beer can spoil like milk and actually make you sick, the answer is no. Even after decades, you can drink a safely drink a beer and not worry if it’ll be the last think you ever drink.
How long does beer last? Beer lasts for about 6-9 months beyond dates on the label. Does beer go bad? Beer eventually goes flat and taste bad. Follow our suggestions to keep yours fresh as long as possible. Since beer is a type of alcohol, many people ask, "does beer go bad?" and "does beer expire?"
If the beer is refrigerated, it can last up to two years beyond the expiration date. It all depends on what your tolerance for those nasty flavors that come with bad beer is. Cans tend to last longer than bottles since they block out more light. Does beer go bad? Overall, beer is only as bad as you think.
If you dispense your beer with a party pump, which uses air instead of CO2 to drive the beer, you can only expect your beer to remain fresh for 8-12 hours. If you keep your kegs warm, and drive them with CO2 through a jockey box or other faucet, they will most likely last a couple of months.
you can tap a keg, dispense half, set it aside, re-tap... etc. the frequency you tap does not matter. temperature is the most important thing. do not allow the beer to ever get warm, and the closer you can keep it at 38 will increase the fresh life of the beer. Cheers.