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Old 08-20-2012, 02:07 AM   #1
ronan
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This is my first run with Nitro aka beer gas and I'm having mixed results with a Boddy clone. My main issue is too much foam and no head retention. My keezer is set to about 41f and my tap is about 14ft away on a refrigerated long draw system.

My setup is the following.

* C02 tank and Reg filled with beer gas 30 PSI
* Cornelius Keg
* Krome Stout Faucet

I think that I may of over force carbed the beer but uncertain since this is my first attempt. I read is some places that a carb stone on the IN of the keg may help.

 
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Old 08-20-2012, 02:32 AM   #2
beaksnbeer
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How long has it been on co2 sounds like it's young.
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Old 08-20-2012, 03:07 AM   #3
ronan
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Quote:
Originally Posted by beaksnbeer
How long has it been on co2 sounds like it's young.
Force carb'd for a few days on C02 alone the switched to beer gas for pour

 
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Old 08-20-2012, 04:14 AM   #4
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Quote:
Originally Posted by ronan

Force carb'd for a few days on C02 alone the switched to beer gas for pour
What was the pressure and temp during those few days? Did you use a carb stone, or shake the keg, or just let it sit? Exactly how many days was it carbing?
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Old 08-20-2012, 02:36 PM   #5
audger
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Quote:
Originally Posted by ronan View Post
I read is some places that a carb stone on the IN of the keg may help.
thats only a cheap fix instead of learning how to properly carbonate your beer. putting the carb stone on the IN port would be the same as carbonating your beer without a stone at all.

when dealing with beergas and 'exotic' gas pressures, temperature and accurate carbonation level is much more critical than your average 2.2vol carbd ales. have some patience and take the time to do it right.

 
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Old 08-20-2012, 03:40 PM   #6
ronan
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Did the shake and roll method for carb'n with the temp of the at about 34 F. I have another batch (Guinness Clone) that will be ready for kegging in a few more weeks and want to do that one properly. I don't have a stone but see no issue with picking one up or should I just toss CO2 on it for a week at low pressure? Or does it even require CO2 if using Beer Gas? I have read that trying to Nitrogenate a beer is a futile effort and just use Nitro for dispensing only.

 
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Old 08-20-2012, 03:49 PM   #7
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You need a low carbonation if using a nitrogen setup. Carbing normally will result in a lot of foam. Remember you are forcing beer through tiny holes at 30psi. There is going to be some turbulence. Shoot for like 1.5 volumes CO2. Hopefully your beergas is 75% Nitrogen and 25% CO2, or close to it. The nitrogen is there to push the beer through the faucet at a high pressure, without over carbonating the beer. It is also used in draft systems with very long lines (more resistance) that needs a higher pressure to get to the shank, and served through a regular faucet, without overcarbing the beer.

 
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Old 08-20-2012, 05:35 PM   #8
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Quote:
Originally Posted by ronan View Post
Did the shake and roll method for carb'n with the temp of the at about 34 F. I have another batch (Guinness Clone) that will be ready for kegging in a few more weeks and want to do that one properly. I don't have a stone but see no issue with picking one up or should I just toss CO2 on it for a week at low pressure? Or does it even require CO2 if using Beer Gas? I have read that trying to Nitrogenate a beer is a futile effort and just use Nitro for dispensing only.
We really need more info to properly diagnose the problem. What pressure did you use while shaking and rolling it? FWIW shaking and rolling the keg at anything over the pressure that corresponds to the desired carb level often results in overcarbed beer. What blend of beergas are you using for serving, and at what pressure? What carb level were you shooting for.

Quote:
Originally Posted by audger View Post
thats only a cheap fix instead of learning how to properly carbonate your beer. putting the carb stone on the IN port would be the same as carbonating your beer without a stone at all.
How is using a carb stone not properly carbing your beer? It's just a tool to reduce the time for the set and forget method from 10-14 days down to under 24 hrs. It's also how almost all commercial beer is carbed.
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Old 08-20-2012, 10:50 PM   #9
ronan
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Set it to about 20 PSI during the shake and roll, As for the blend it supped to be 75/25 and i'm serving at 30PSI. As for an ideal carb level I'm thinking 1.5-1.8 unless lower is more desirable for an nitro beer?

 
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Old 08-21-2012, 12:32 AM   #10
ronan
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Just for some context here is a pic of a typical pour. The head will take about 8-10 min to dissipate and after it does there is little retention. And whatever is left will be uneven and spotty in bubble composition. Looks more like soap suds.
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