Beer Info FAQ

How much water boils off in an hour?

How much water boils off in an hour?

about 4% per hour

What is a typical boil off rate?

Historically the target was 10%–15% evaporation over 90 min of boiling, but modern brewers tend to boil for a little over 1 h; as a result, evaporation of 6%–8% of the total liquid volume is now more usual.