Quote:
Originally Posted by slheinlein
Thanks for the advice, makes me feel a little better. How much pressure if any builds up in the bucket during fermentation? I was worried that the airlock could pop off if there is any amount of pressure.
BTW - just checked and there is bubble action in the airlock so things appear great for now.
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Oh, quite a bit of pressure could build up. Enough to blow the lid off the bucket and repaint your walls in a nice brown color. However, you really don't need to worry! Your airlock is allowing the co2 out. If there is a ton of krausen coming out through the airlock, or things look like they are going to get more intense (because of a clogged airlock), you can set up something called a blow-off tube.
As long as the fermenter is at a cool-ish room temperature, and there is sufficient headspace for some krausen to form, you shouldn't have a problem. Keep an eye out, and if it starts to look like it's going crazy, let us know and we can help you set up that blow-off tube.