I got a mr beer kit and made some beer. I refrigerated the bottles after 1 week of secondary fermentation as instructed. I tried one bottle and its still flat. Can I take them out of the fridge and keep fermenting? Or is it too late?
...and if not done in two weeks, let them go longer. Even without the priming sugar, beers can carbonate to an acceptable level eventually (he said, after doing this once by mistake many years ago).
How? Carbonation is made by CO2 production, a byproduct of fermentation. If gravity is stable, no more CO2 is produced.
That's why we add priming sugar, to kick off a mini fermentation. If your beer carbed up with no priming sugar, either (a) fermentation was not done, or (b) you had a very slow infection of a wild yeast or similar.
I have a red ale that sat for 3 weeks cracked one open and it was as flat as can be. All other beers I brew age in the same room and are ready to drink at 3 weeks. Brought in a few bottles to work and put in a drawer as it's warmer than my storage room. They are carbed up now so why these needed the higher temp over others I"m not sure. I also made this same batch 3 months ago and had no issues.
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