Timeline for What's a good small-batch fermentation vessel?
Current License: CC BY-SA 3.0
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| Dec 18, 2013 at 17:02 | comment | added | Chino Brews | The CO2 is heavier than air, so it should stay in a 5-gallon bucket as long as you don't open it. And a 1.060 OG wort will generate approximately 25x its volume in CO2 at standard temperature and pressure, so fermenter size is not initially relevant. But If you plan to open it and possibly mix in oxygen, then late-stage fermentation will not generate enough CO2 to fill a huge airspace, so you may want to keep less headspace and use a narrow-mouth fermenter. | |
| Nov 15, 2011 at 2:56 | comment | added | brewchez | I think even a one gallon ferment will generate ample Co2 to displace all the O2 even in a 5 gallon fermentor. So I am not sure headspace will really matter much in relation to oxidation. | |
| Nov 13, 2011 at 19:09 | history | answered | Denny Conn | CC BY-SA 3.0 |