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Starter at 92

Evidently my stir plate is putting out more heat than I remember. I started a 3 qt starter last night in the garage, all stuffed into a cooler; yesterday morning dawned at 25, in the 50s in my garage,so I was worried about getting too cold. Anyway, this afternoon was warmer and even with the cooler lid open a inch or so the starter is at 92, with the stir plate warm to the touch. Obviously this would create problem in a beer, but what about for the yeast I will be harvesting?

I’m not certain on this but, i think you’ll be ok. When growing yeast temperature is not a big issue. Make sure you chill your starter and decant the spent wort because there are surely off flavors in there. I make starters for lagers at room temp all the time which is at least 20degrees higher than pitching temps for a lager and have never had a problem. But at 92F I’m not completely certain there won’t be any issues with the yeast. I just don’t think so.

Not a problem - the yeast thrive at that temp.

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