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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > temperature of fermentation
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Old 01-13-2013, 08:27 PM   #1
frank1598
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Default temperature of fermentation

I all,

I wouldlike to know wha's the influence of the temperature of fermentation and what differenceof temperature have a significate change.

thank you

Francis

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Old 01-15-2013, 03:30 AM   #2
day_trippr
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Warmer fermentation temperatures usually translates to higher levels of yeast activity. For many popular ale yeasts, running 5°F warmer than "ideal" will significantly increase the rate of fermentation. As well, depending on the yeast strain, running as little as 5°F outside the ideal temperature range can significantly affect flavor characters generated by the yeast...

Cheers!

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Old 01-15-2013, 03:33 AM   #3
kroach01
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Originally Posted by frank1598 View Post
I all,

I wouldlike to know wha's the influence of the temperature of fermentation and what differenceof temperature have a significate change.

thank you

Francis
One of the best things I have done to improve my beer is to ferment on the low end of the yeast's preferred temperature range. The high end makes for some seriously off tasting brew in my experiences.
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Old 01-15-2013, 03:34 AM   #4
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So at what temp should I keep a amber ale while fermenting?

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Old 01-15-2013, 03:37 AM   #5
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Depends on what yeast you're using.

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Old 01-15-2013, 03:38 AM   #6
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Depends on what yeast you're using. Generally, low/mid 60's
Edit: sorry for the double post. App is a little off tonight.

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Old 01-15-2013, 03:44 AM   #7
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Ok good. It's been sitting right at 64 degrees! Used safale us-05 yeast

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Old 01-15-2013, 03:44 AM   #8
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So at what temp should I keep a amber ale while fermenting?
Every yeast that you purchase will have an optimum range of fermentation temperature. Do not be afraid to read manufacturer labels or visit the websites of the manufacturers, from whom you purchase your yeast, to research how to utilize their product to maximum effect.
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Old 01-15-2013, 03:46 AM   #9
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depends on the yeast strain. try to stay within the parameters of that range.

as someone else already stated, the higher end of that range will lead to more vigorous activity. higher temps also cause the yeast to give off more esters. in some strains the higher end is also known to enhance hop attitude. be careful though because higher temps beyond the range will give you phenol flavors which are not that tasty.

i've found that the lower end of range, the cleaner the beer. lower beneath the range will slow or could possibly stop fermentation.

this has been my experience.

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