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Originally Posted by FSR402
here is a dumb question.. If I have beer that was forced carbed in a keg and I use the beergun to fill bottles from said keg. how long does the beer stay good in the bottles? Is this basicly the way the big guys do it? So then You don't have to carb the beer in the bottles?
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I would love to hear a knowledgeable answer on this one, because I constantly see people talking about how force-carbed beer from a keg that is then bottled will lose its carbonation, but I don't think I've ever seen anyone give any form of reasoning on the matter.
When you pour carbonated beer into a bottle, there is a specific amount of CO2 in solution. Unless the cap is leaky, the only place it can go other than the beer is into the headspace - so a little carbonation will be lost as the headspace pressurizes, but as soon as things equalize, it's going to stay that way until you open it. The headspace is pretty small, and at serving temps the partial pressure is not that high, so that's really not a tremendous amount of CO2. You may have to carb it slightly more to take into account that small amount lost to the headspace, but that's it, it's not going to magically lose carbonation over time.
The fact that very few commercial beers are bottle-conditioned should be a pretty good clue that force-carbed bottled beer does not just go flat in the bottle.