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People also ask, how long will a growler of beer last unopened?
2 - 5 weeks
Herein, can you age beer in a growler?
You tie up the growler while thebeer isaging and you run the risk of having aflatbeer. Just buy the same beer in bottles orcans.There isn't any reason a counter-pressure filledgrowlerwould run any more risk of being flat than astandardbottle.
How long growlers stay fresh. Bringyourgrowler to a brewery and the staff there will usuallyrinseit, place it under a tap handle, and start pouring. Whenbeerreaches nearly the lip of the growler, they'll screw acapon the growler, and then usually cover that cap withsometape or plastic to keep it sealed.