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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 ...


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Yes, fermentation can be over it 3/4 days. 1100 to 1010 is 90 point drop over 4 days is a very rapid fermentation and I would expect the brew got rather warm, due to the heat generated by the yeast chewing through all that sugar. It may still be good, but there is a chance your yeast will have got a bit too warm and produdced some more esters than usual. For ...


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Ok, I know this is an old question, but just in case: The CO2 of the fermentation "pushes" the oxigen outside of the demijohn, or wherever you are fermenting. CO2 is more dense than air, so it covers the drink, and while it ferments then it pushes the o2 outside. The problem is when you extract the wine outside of the demijohn to bottles. Then is ...


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