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Old 08-29-2009, 09:08 PM   #1
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Default Fermentation started hot, then ...

I got it down. It's been hot and humid here in Jersey but I decided to brew last night anyway. Made a Smoked Porter that made the house smell great, pitched WLP002 and put it on the cool garage floor at about 74* thinking the temp would drop to the 68* range like usual before fermentation started and I would be good. It didn't - the yeast took off right away and when I checked this morning it was 78* and rising. I put it in a water bath and it's now going along at around 68*. Question is how many fusels and esters do you think were created in that 6-8 hours of high temps. I remember Jamil saying that esters aren't produced until after the first 12 hours of fermentation - is that true? Should I raise the temp at the end to try to get the yeast to clean up the early bi-products?

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Old 08-29-2009, 09:12 PM   #2
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Actually most of the off flavors associated with high fermentation temps occur in the first 2-3 days. I think that includes the first twelve hours.

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