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Brews & Views Bulletin Board Service * Brews and Views Archive 2009 * Archive through October 10, 2009 * Force Carbonating Stouts for Nitro gas < Previous Next >

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Paul Hoepper
Member
Username: Hep

Post Number: 112
Registered: 03-2003
Posted From: 122.108.222.172
Posted on Sunday, August 30, 2009 - 05:14 am:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Hi Guys,
I have just purchased a bottle of mixed gas & a nitro regulator for dispensing stouts & was wondering how one would go about force carbonating the stout with Co2 to 1.1-1.2 volumes when the stout is chilled to 4C?
The stout has already been chilled, do I need to allow it to warm up to room temp & carb it according to the carbonation & temp chart?
All suggestions greatly appreciated.

Cheers

Paul
 

Bill Pierce
Moderator
Username: Billpierce

Post Number: 10653
Registered: 01-2002
Posted From: 24.141.103.148
Posted on Sunday, August 30, 2009 - 01:33 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

If the beer were originally fermented at 20 C (68 F), it would already contain almost 0.9 volumes of CO2 in solution. If that's true, you would need to provide only a slight amount of additional carbonation. Connect the keg to a CO2 regulator at about 5 psi and shake the keg for about 30 seconds. Then connect the mixed gas regulator and serve.

As a practical matter, the fraction of CO2 in the mixed gas is likely to provide all the additional carbonation you need, so you might well be able to get away with merely connecting the keg to your mixed gas regulator without bothering to carbonate with CO2. The stout would seem slightly undercarbonated for a few days until it equilibrated to the proper level.
 

Bob G.
Intermediate Member
Username: Brewerbob

Post Number: 484
Registered: 06-2002
Posted From: 71.197.125.248
Posted on Sunday, August 30, 2009 - 07:43 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

What Bill said...also, I've found leaving the beer for ~ 5 or 6 days hooked up to the beer gas at ~ 28-32 psi with your fridge set at ~ 37F you get the fantastic creamy cascading pours that are a sight to behold!
 

Paul Hoepper
Member
Username: Hep

Post Number: 113
Registered: 03-2003
Posted From: 122.108.222.172
Posted on Monday, August 31, 2009 - 02:02 am:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Thanks Guys