- don't drink any of it when you bring it home
- keep it in a cold place
- make sure it was filled as close to the top as possible ruducing air exposure and surface area for the CO2 to escape from
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Monday, August 07, 2006
Beer Tips: How long does beer stay fresh in a growler?
So, you have a growler and you don't think you can finish it tonight. How long will it stay fresh? Well that's a matter of how much you drank, where you are keeping it and well, whether you like flat beer or not ;-) You'll get the best results if you;
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I've also found that carefully storing the growler upside down will keep it less flat after it's been opened. I've happily sipped a growler for 3-4 days by using this method.
Hmmm...never heard of that. I guess that might help keep air from seeping in the cap, interesting.
A bartender at Long Valley Pub and Brewery once refused to sell me a growler of their porter because it "doesn't travel well".
I don't think I've ever kept a growler for more than a couple of days. It does obviously last longer the less you open it.
upside down, eh? I'm going to have to try that.
There are a few things to consider.
O2 gets into the beer and somehow changes the flavor. Can be reduced by decreasing the amount of O2 that comes in contact with the beer. Don't let air in.
The larger the surface area the more chance for CO2 to be emitted. More air molecules to bounce off the surface of the beer. Also, since growlers are not filled under pressure the CO2 gas will escape faster due to lesser surface pressure.
Less of an issue with gradual changes, but, don't leave it in the sun. Warm beer is more active like warm soda so it will loose CO2 faster in partially filled growlers. Like a pouring a warm soda and getting lots of bubbles.
Light breaks down the hops in beer. The byproducts of that reaction smell skunky. Brown growlers are better than clear or green (are there green ones?).
Of course I can't put all that into any kind of formula. That leaves us with our experiences. So here's my summary...
Get your brown growler filled to the top.
Keep it cold.
Keep it out of the sun.
Drink over a short period of time.
...and perhaps store it upside down.
Your mileage may vary ;-)
I approach growlers from the opposite perspective...that is, how fast can I drink it!
Sorry, sarcasm aside, I usually prefer to buy growlers of beer only when I can be sharing them with someone (usually Adam, Patty, and/or Matt right?) So, if there's still any beer remaining in a growler after 36-48 hours, then someone must not have shown up to share it with me!
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