How Does A Growler Keep Beer Fresh in How To

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How Does A Growler Keep Beer Fresh. The growler has taken many forms over the years, but its primary purpose has always been to transport fresh beer from a brewpub or brewery to the drinker's home. When you get your growler home, put it in the refrigerator to keep the beer cold.

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The growler has made it possible to bring fresh beer home from your favorite brewery. If a growler is properly sealed and promptly chilled, you can expect your beer to remain fresh for several days. However, once opened, the beer will go flat in about 36 hours or less.

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If the brewery or bar uses a carbon dioxide filling method, you can expect fresh beer for even longer. The fresh beer in a growler has a shelf life of 36 hours after opening before it becomes flat and loses taste. Bring your growler to a brewery and the staff there will usually rinse it, place it under a tap handle, and start pouring. Once opened, however, leftover beer will be flat within 36 hours at best.