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Airlock: indeed, you do not need it for the fermenting process, it is added as a way to insulate your brew from the surrounding air, to make sure that no contamination happens, and to remove the CO2 once your fermentation is under way. Contamination: moulds, spores and bacteria could enter your beer. I suppose you did add the lid, so that only the bunghole ...


Is it bad to produce beer like this? ( i don't have money to buy airlock). I wouldn't call it ideal, but it is fine. The only purpose of an airlock is to allow air to escape and not enter. Should I open the bottle every 12 hours to let the gas come out? Yes, I would open it to let it degass to prevent the bottle from exploding during the few days of ...


Just use the bottle cap with a tiny pin hole

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