How Long Will A Growler Last Once Opened in How To

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How Long Will A Growler Last Once Opened. But keep in mind oxygen is now in the beer and it’s a quick decline to having a flat beer. Once the growler is opened and the seal is broken, you only have 36 hours before the beer goes flat.

The Man Can Your CO2Charged Craft Beer Growler Beer
The Man Can Your CO2Charged Craft Beer Growler Beer from beermebc.com

In short, don’t open it unless you can finish it! Once opened, however, leftover beer will be flat within 36 hours at best. A growler when opened should be consumed within one or two weeks.

The Man Can Your CO2Charged Craft Beer Growler Beer

Growlers of beer will stay fresh for several days (some say up to 10 days) if left unopened. Rather, that's usually the only way that i'm able to drink that beer at home. Once opened, the growler of beer will only be good. Once opened, however, leftover beer will be flat within 36 hours at best.