Author Topic: Accidentally cooled to 60f after pitching  (Read 380 times)

Offline Slackjawls

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Accidentally cooled to 60f after pitching
« on: September 25, 2018, 08:40:47 PM »
I pitched two white labs 090 pure pitch pouches into 5 gallons of 1.060 wort at 64f.  An hour and a half later the temp had dropped to 60f.  For whatever reason I set my temp controller to 50f.  I took the carboy out of my fermentation chamber into a room with 68f ambient temp.  It took 36 hours but now I have a healthy active fermentation.

Do you think the sudden cooling after pitching stressed the yeast or will lead to any off flavors?

Offline Richard

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Re: Accidentally cooled to 60f after pitching
« Reply #1 on: September 25, 2018, 09:00:46 PM »
I doubt it. Probably just cost you some time. Heating too far would be more likely to cause trouble than cooling too far.

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Offline Slowbrew

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Re: Accidentally cooled to 60f after pitching
« Reply #2 on: September 25, 2018, 09:17:58 PM »
Just let it go.  The beer will be fine.  You didn't get it that cold and the yeast will warm up the wort as they do their thing anyway.

I often chill down into the 50's during the winter and then pitch yeasts that don't necessarily work, optimally, at that low a temperature.  It won't hurt the yeast.  I've always believed it's better to start low than to start high.

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Offline ynotbrusum

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Re: Accidentally cooled to 60f after pitching
« Reply #3 on: September 25, 2018, 09:43:36 PM »
I think the consensus is right - little to no problem is likely from the short term cold temp drop you experienced.  I tried US-05 at lager temperatures a couple different times and I experienced a very low level clove spice that I attributed to the low temperature - it was barely perceptible and possibly was a very low level infection, but it occurred twice.  I really can't say, but it made me swear off ales at lager temperatures for all but the hybrid yeasts like WLP 029.

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