Beer fermentation runs real warm and dropped gravity real fast

I started a fermentation 24 hours ago and it has increased the temperature from 22°C to 28°C in the last 8 hours. Additionally the gravity dropped from 1.060 to 1.024 already which seems insanely fast for a brew that is supposed to end at 1.017.

I'm using a Fermzilla with pressure kit and put the insulation jacket on immediately, I guess that's where the temperature rise came from?

Is this gravity drop normal? It seems insanely fast to me.

Topic specific-gravity fermentation-temperature beer homebrew

Category Mac

1
answered at

It is very fast, probably due to the high temperature (the higher the faster it will ferment), the insulation jacket would keep it warmer. The type of yeast used cans also cause this, some yeast are more vigorous than others, but in the end, the main reason is the temperature.

Depending on your room temperature, you might not need an insulation jacket (I never used one).

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