Carbonation in bottles.

Mon May 06, 2013 7:34 pm

Has anybody have an idea if this is correct. I would like more carbonation in my bottled beer "Brewers that use bottle fillers are going to achieve a fill level of 1.5 inches from the rim of the bottle. Bottles filled 1 inch from the rim will be less carbonated. Bottles filled 2 inches from the rim will be more carbonated" sound simple but not sure. Any help?
foessc
 
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Re: Carbonation in bottles.

Mon May 06, 2013 9:35 pm

Playing with headspace is likely going to be less precise than if you vary your priming sugar (I'm assuming you are talking about bottle conditioning beer).
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Re: Carbonation in bottles.

Tue May 07, 2013 2:56 am

I agree. Mess with priming sugar, not headspace.
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Re: Carbonation in bottles.

Fri May 10, 2013 4:38 am

foessc wrote:"Brewers that use bottle fillers are going to achieve a fill level of 1.5 inches from the rim of the bottle. Bottles filled 1 inch from the rim will be less carbonated. Bottles filled 2 inches from the rim will be more carbonated"


I think you've got that backwards. The beer is more carbonated than the headspace at filling. After capping, CO2 evolves out of the beer into the headspace until equillibrium is reached. So the higher the fill, the more carbonation retained in the beer.

Now, your bottling method may do different things at different heights, but that's a separate question than just "fill level".

Another way to think of it: If 2 inches from the top is better than 1 inch from the top, then 3 inches is even better, and 4 inches is even better, so clearly the most carbonated bottle comes from not putting any beer in it at all!
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