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Old 01-22-2008, 01:20 PM   #1
BNVince
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Default Safale US-05 Attenuation

Does anybody know the attenuation on Safale US-05? I just brewed 2 batches using this yeast and I'm trying to figure out what my expected F.G. will be. I can't find a damn thing about this yeast on the internet.

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Old 01-22-2008, 01:22 PM   #2
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I usually get 73-77% depending on my mash...

http://www.fermentis.com/FO/EN/pdf/SafaleUS05.pdf


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Old 01-22-2008, 01:38 PM   #4
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Thanks.

I figured it was around there but just wanted to make sure.
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Old 05-10-2008, 04:53 PM   #5
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I just got an apparent 86% from Safale US-05!
I mashed at 149F.
This is an IPA, and I went from an OG of 1.061 to an FG of 1.006.
According to Beer Alchemy that's 86.9%, and 7.1% ABV.
That's actually a bit more than I was counting on. This is proabably going to be a bit dry.
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Old 05-10-2008, 08:03 PM   #6
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The last batch I brewed I split 12 gal between 2 fermenters. One had safale-05 in it and the other some harvested bells yeast.

Both started at 1.062
The s-05 ended at 1.008 (86.4% apparent attenuation)
The bells yeast ended at 1.012 (79.7% apparant attenuation)

My mash temp was 152. I was expecting/hoping both to finish around 1.014, I'll have to compare the tastes after some proper aging
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Old 05-10-2008, 09:07 PM   #7
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Quote:
Originally Posted by ma2brew View Post
I just got an apparent 86% from Safale US-05!
I mashed at 149F.
This is an IPA, and I went from an OG of 1.061 to an FG of 1.006.
According to Beer Alchemy that's 86.9%, and 7.1% ABV.
That's actually a bit more than I was counting on. This is proabably going to be a bit dry.

Don't you hate when that happen. One of my first AG's was a Arrogant Bastard clone that I foolishly mashed at 150 and went from 1.090-1.006. So I had 11.25% bitter hop juice. I ended up brewing another batch mashed at 159 and blended together and it was pretty good.
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Old 05-10-2008, 09:45 PM   #8
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I just did 2 batches with 05.

First one (fresh rehydrated packet) went from 1.056 to 1.010
Second (pitched on the cake from #1) started at 1.076 and is sitting at 1.016 after 10 days.

I have been happy with it.
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Old 05-12-2008, 02:17 PM   #9
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I too have gotten attenuation over 80% in an IPA with US-05.
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Old 05-20-2008, 03:25 AM   #10
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I gotta add that I was really concerned about this yeast and clarity in my IPA. It stirred up super easy in the pail when I racked it to the bottling bucket, and I figured it was going to suck after bottle conditioning.

I couldn't have been more wrong. I'm really impressed with the US-05 in both the flavor and it's ability to really stick to the bottom of the bottle after conditioning. I haven't even had this IPA in glass for a full 3 weeks, but it's pouring almost all the way to the bottom of the bottle crystal clear, with less than a 1/8" left behind.

Fermentis, I stand corrected, and I should not have doubted your product.

Now I just gotta stock up on both Notty and this US-05 and do a double batch day, for comparison. It's gonna be tough, as I am really pleased with both...


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