Monitoring Fermentation: When is My Beer Done?
How to tell if fermentation is complete. Tips for gravity measurement and common problems.
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Monitoring Fermentation: When is My Beer Done?
Fermentation is one of the most critical steps in brewing. But how do you know it's really complete?
Signs of Active Fermentation
When is Fermentation Done?
Fermentation is complete when:
Measuring Gravity Correctly
Typical Final Gravities
What to Do with Stuck Fermentation?
If fermentation stalls:
Calculating Attenuation
Attenuation shows how much sugar was fermented:
Formula: (OG - FG) / (OG - 1) × 100
Use our ABV Calculator for precise calculation!
My Tip
Better to leave the beer a few days longer than bottling too early. Unfinished beer can lead to bottle bombs!
AI Tip: Plan Yeast and Fermentation
Our AI recipe generator recommends the right yeast for your beer style and calculates fermentation temperature and duration automatically. Start your fermentation on the right foundation.