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Old 04-02-2012, 09:16 PM   #1
zach1288
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Default Safale US-04 alcohol tolerance?

I'm making an imperial stout this weekend that will be around 11% ABV. Can Safale US-04 survive and work well at this percent?

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Old 04-02-2012, 09:23 PM   #2
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I wouldn't hold my breath for that one to happen. A lot of yeast can't get up that high. I would start with it but then expect that you are going to have to do something to dry it out a bit. In the past I've done champ yeast then rack it/put in gelatin once you hit your numbers. But start with the saf 04 see what happens.

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Old 04-02-2012, 09:23 PM   #3
amandabab
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it sure can, but pitch big. 2-3 packets, rehydrate/starter or pitch onto an existing S-04 cake.

imperial and 2 packets of s-04 means a large blow off tube is a necessity.
S-04 is an angry yeast.

champagne yeast can help if the simple sugars are left. but s-04 will go to 12% its just takes time

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Old 04-02-2012, 10:55 PM   #4
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i did RIS with us-04, OG 1.1 FG 1.020 in 3 weeks, i used 3 cups of the cake from previous beer

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Old 04-03-2012, 03:07 PM   #5
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Notty as a finisher? I know that stuff will go pretty high but I'm not sure how high.

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Old 04-03-2012, 03:20 PM   #6
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I think it is stated to have a tolerance of 10%. I did an 11% ABV barleywine with it last year. But that seemed to be pushing its limits and it had some difficulty carbonating. I pitched multiple packets at fermentation following Mr. Malty.

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