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I'm making mead for the first time. I used bakers yeast and a baloon as an air lock . The tutorial said that the yeast will be off gasing for 3 weeks but my mead only off gased the first day. Now it's a bit inflated but nothing compared the first day Is it okay or should I add more yeast. It's in a warm environment

Photo after first day

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You may not have a perfect seal, so the gas is dissipating into the atmosphere. This is not a problem. The airlock serves only as a safety mechanism - it prevents buildup of gas, while also preventing anything getting into the container. An airlock is one of many ways to achieve this. You can put a bit of aluminium foil over the lid, a teatowel, anything that won't let dust or bugs through, basically.

Don't worry about the balloon, and never ever use the airlock (whatever type you use) as an indication of fermentation. Gas coming out can be caused by more than just fermentation, and no gas coming out can be caused by more than an absence of fermentation. If you want data, you need to measure the liquid with a hydrometer.

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In case your fermentation has indeed deaccelerated this soon (and I agree with Frazbro that your balloon airlock is no indicator of that), it might be, along other factors, because of too much honey (high initial gravity musts are harder to ferment) or too little nutrient (honey itself does not have the necessary nutrients to keep your yeast healthy).

Two simple techniques you can employ, even with the setup you are using, are:

  • Oxygenate the must. Remove the airlock and agitate your fermenter to dissipate the carbon dioxide and let more oxygen in. You can do this once or twice a day for the first few days of fermentation without fear of oxidizing your mead.
  • Add nutrients. Boil some water (50mL is enough) and bread yeast (10g) for a few minutes to kill the yeast and add it to the must. The yeast husk will feed your fermenting yeast.

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