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Here's what the fermentation has been so far.

Day 1: Not much

Day 2: 3 bubbles in the airlock every 2 seconds. Good krausen formed.

Day 3: 1 bubble per second

Day 4: 1 bubble per 2 seconds

Should the fermentation generally be more aggressive for more days?

Thanks.

  • sounds slow but ok. What kind of yeast did u use? some weiss yeast is slow. if your OG is high it can be slow, too. – DaFi4 Aug 18 '16 at 14:49
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The only way to "know" if fermentation is happening is to take a gravity reading and compare it to the OG value. If it's going down, then everything is working according to plan. If it's stable, then nothing is happening.

Bubbles are a terrible way to determine how the fermentation is going along. (Although very entertaining!) Especially true if you use plastic buckets. You could have a small air leak along the lid such that the CO2 is escaping in another spot.

Especially with the solid krausen forming, I would not even give it a second thought. All kinds of factors determine how vigorous and how quickly the yeast is going to behave.

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