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Old 11-20-2012, 01:10 AM   #1
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Default Can CO2 get old?

First post after lurking for a handful of weeks.

I started brewing again after a 12 year hiatus.

My first brew was a Southern British Brown Ale partial mash and turned out rather well.

I used to force carbonate and serve from Corny Kegs. So, after cleaning everything up and racking to a Corny, I found that my old CO2 bottle still had decent pressure. I dropped the temp on the beer to 40°F and pushed in gas to about 10 PSI. After two days at 40°F, the beer was still flat even though my son and I did the "roll the keg" dance.

I can't come up with any reason for it to be so flat, nor can I come up with a reason for the CO2 to go "off".

Is it possible that the gas in the CO2 tank is too old to use?

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Old 11-20-2012, 01:17 AM   #2
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I don't think it's possible for CO2 to get "old". Did you hear bubbling when you were rolling the keg?

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Old 11-20-2012, 01:24 AM   #3
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no, co2 cannot get old. That keg rocking stuff never worked for me, and when did anything close to carbonating my beer it tasted weird. Turn the pressure down to 12-15 psi and let it carb at a normal pace over a week or so.

also, make sure there is co2 in the tank.

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Old 11-20-2012, 01:25 AM   #4
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at 10 psi give it a week to carbonate. 10 psi is a low pressure and not really a "force carbonate" pressure. check it again in 3 to 5 days.

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Old 11-20-2012, 01:26 AM   #5
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Two days isn't a real long time to force carb your beer at only 10 psi. I'd wait a few weeks or through the pressure up to about 30 for 24 hrs and then back it off to 10.

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Old 11-20-2012, 01:26 AM   #6
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CO2 is 12 billion years old so I guess the answer to your question is "yes" CO2 can get old.

I usually hit my cornys with 30 psi for 24 hours, reduce to 6 psi for serving and I'm all set.

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Old 11-20-2012, 01:48 AM   #7
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Wow! Six replays in 16 minutes! Thanks, all!

Somewhere along the line, I've misplaced my old logs. Apparently, my memory isn't what it was, either.

I'll try bumping to 30 PSI for 24 hours to see what happens.

BTW - I seem to be the only one who's complaining about it bring flat... ;^)

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Old 11-20-2012, 02:20 AM   #8
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Anything to help! Especially if I can be a smartA in the process...

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Old 11-20-2012, 02:32 AM   #9
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Quote:
Originally Posted by dcarter
Anything to help! Especially if I can be a smartA in the process...
Yeah! I caught that reference, Star Dust Boy, but I was amazed at the level of responses...so...

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Old 11-20-2012, 02:33 AM   #10
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Ummm...


That was SUPPOSED to be animated and bowing...

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