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-   -   Safale S-05 Alcohol Tolerance (http://www.homebrewtalk.com/f163/safale-s-05-alcohol-tolerance-214387/)

Haputanlas 12-29-2010 09:14 PM

Safale S-05 Alcohol Tolerance
Hey Guys,

I'm kind of irritated that the official PDF tech specs for this yeast don't mention anything about alcohol tolerance.


I love this stuff and want to use this or S-04 for my RIS. It will be between 11-13% ABV and of course would put quite a strain on the yeast.

I just want to make sure that the yeast would be able to finish the job.

Anyone have any ideas on whether or not the S-05 or S-04 could handle this?

Teacher 12-29-2010 09:27 PM

I think they refrain from giving specific numbers because so many factors can affect this. However, in my experience (and, from what I gather, that of most around here), US-05 should do just fine at least to 11-12 percent. S-04 may not.

dcp27 12-29-2010 09:52 PM

11-13% ABV will be fine with S-05. I took a 1.112 barleywine to 1.022 with it

Haputanlas 12-29-2010 10:19 PM

Awesome, thanks

jmick 12-29-2010 10:32 PM

Yeah, you will be fine with US-05. just for another point of reference, I pitched 2 packs on a 1.116 Barleywine and it went down to 1.021.

Haputanlas 12-30-2010 12:51 AM

That's almost dead on with the numbers I'm looking for.

scottland 12-30-2010 02:25 AM

Use 2 packs, re-hydrate them 30min prior to pitching and aerate well. You shouldn't have an issue.

LowerMillHillBackyardBrew 12-30-2010 09:07 PM


Originally Posted by dcp27 (Post 2509791)
11-13% ABV will be fine with S-05. I took a 1.112 barleywine to 1.022 with it

Beautiful, thanks, I'm planning to doing almost the exact same thing :) Good to know it'll work :mug:

maltbarleyhops 03-09-2011 07:24 AM

s-05 is probably one of the most resilient dry ale yeasts. i use it tall IPA's (8.5%), Barleywines (12.5%) and heavy Blonde ales (8 and 10.5%). no prob.

just my 2 cents...

Haputanlas 03-10-2011 12:39 AM

I still use it for almost everything.

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