Helles Bock with Safale US-05 Dry Yeast, Proper Fermentation Temp? - Home Brew Forums
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Old 01-10-2010, 05:15 AM   #1
Mar 2009
Posts: 67
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I just finished brewing this Helles Bock recipe from my LHBS: What The Helles Bock. I went with the dry yeast which uses Safale US-05. It looks like the liquid yeast is WLP833 and ferments in the lager range (48-55 F). The recommended temp range for US-05 is 64-70 F, I am wondering if I should attempt to keep the temps on the very low end of the range to stay true to the style?

I have a fermentation chamber that will let me control the temps, wondering if I should target an ambient temperature around 58-60 or go the route I have gone with this yeast in other ales which is an ambient in the mid 60s and fermentation temp of approx 68?

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Old 01-10-2010, 05:21 AM   #2
Yuri_Rage's Avatar
Jul 2006
Posts: 14,296
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You are correct in your assumptions, both that a lower temperature will result in a cleaner flavor, and that lowering the ambient temperature a few degrees below the desired fermentation temperature is a good idea. However, your beer will not be true to style regardless of the temperature if you use US-05 yeast. It will be an ale brewed from a bock kit. Most importantly, it will almost certainly still be good beer, but to brew a true bock, you must use lager yeast.
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