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-   -   Carbonating half of a keg (http://www.homebrewtalk.com/f35/carbonating-half-keg-195127/)

HokieHomeBrew 09-10-2010 05:47 PM

Carbonating half of a keg
I have a 5 gallon batch that is about to finish. I am entering it into a homebrew competition at the end of the month. The homebrew competition requires that the beer be bottled (3 bottles for the competition). The rest I want to keg for my own enjoyment. If I bottled 2.5 gallons of it and keg the other 2.5 gallons will force carbonating work the same. When the keg is half filled there is much more headspace obviously...can I still just set it to 30psi and leave overnight and it will be carbonated the same as if it were full? Anyone thats ever carbonated a keg that wasn't full please help me out if you can. Thanks.

hoppymonkey 09-10-2010 05:50 PM

It works the same as usual or at least I didn't notice a difference between half a batch and a whole one.

prosper 09-10-2010 06:55 PM

it's exactly the same. Put it on pressure, and give it some time. Same pressure as you'd use for a full keg, and the same amount of time - whether you're using the 'set and forget' method, or putting it under high pressure for a shorter time and then dropping it back down. Nothing is any different.

david_42 09-10-2010 07:36 PM

About the only thing I'd do differently is to purge the headspace twice, before letting it carbonate.

HokieHomeBrew 09-11-2010 12:34 AM

thanks for all the comments....

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