Within 24-36 hours, carbon dioxide normally starts bubbling through the airlock, as long as everything is working correctly and if the fermenter is sealed properly. Fermentation can take as little as 3 days if you are using a fast-acting yeast and the temperature is ideal.

Why is my homebrew not bubbling?

If the airlock is not bubbling, it may be due to a poor seal between the lid and the bucket or leaks around the grommet. ... This can also be caused by adding too much water to the airlock. If this has occurred, the resistance caused by the excess water will cause air to escape by pushing around the rubber seals.

Should my home brew be bubbling?

If the gravity is still high, in the teens or twenties, then it is probably due to lower than optimum temperature or sluggish yeast. If it is below 10 and still bubbling at several per minute, then a bug has gotten hold. The beer will not be worth drinking due to the lack of flavor.