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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > difference between s-04 and US-05? (which should I use?)
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Old 08-02-2012, 02:49 PM   #1
mikesalvo
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Default difference between s-04 and US-05? (which should I use?)

Tomorrow I am going to brew a pretty hoppy IPA ( think Hopdevil). I have washed s04 that I can make a starter with, or I can use slurry for an IPA that ill be racking today. My question is what would be the best yeast to use? Should I use the slurry for convenience or should I make the starter using the s04? Any input would be much appreciated. Thanks!


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Old 08-02-2012, 02:58 PM   #2
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S-05. According to popular description, -05 is a clean ale yeast and -04 is more of an english-style yeast that leaves a lot of esters and probably doesn't attenuate as well as the -05. I did a side-by-side on an IPA recently, but I forgot to mark which was which. Ugh. If you can, try splitting the batch and do a comparison.


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Old 08-02-2012, 03:07 PM   #3
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I am an IDIOT. The Slury I have available is 1056 NOT s-o5. So its a tossup between 1056 slurry and s-04 starter.....sorry for the confusion passedpawn.
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Old 08-02-2012, 03:09 PM   #4
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Originally Posted by mikesalvo View Post
i am an idiot. The slury i have available is 1056 not s-o5. So its a tossup between 1056 slurry and s-04 starter.....sorry for the confusion passedpawn.
1056 = s-05
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Old 08-02-2012, 03:12 PM   #5
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Why not pitch both? I've gotten WLP002 to attenuate and floc really nicely while keeping it's flavor profile when I pitch it with WLP001.
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Old 08-02-2012, 03:13 PM   #6
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Oh no ****. Well that's great to know. I feel stupid . According to Mr. Malty ill need 132 ml of slurry which I converted to 4.5 oz. Does this seem correct to those who have pitched slurry before? My max OG will be 1.070.
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Old 08-02-2012, 03:14 PM   #7
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You don't want to make a starter with S-04 (or any other dry yeast). You should, however, rehydrate it as per the manufacturer's instructions.

http://www.fermentis.com/fo/pdf/HB/E...le_S-04_HB.pdf

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Oh no ****. Well that's great to know. I feel stupid . According to Mr. Malty ill need 132 ml of slurry which I converted to 4.5 oz. Does this seem correct to those who have pitched slurry before? My max OG will be 1.070.
Sounds about right for the slurry, provided proper care has been taken to ensure its viability.
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Old 08-02-2012, 03:16 PM   #8
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Originally Posted by osagedr View Post
You don't want to make a starter with S-04 (or any other dry yeast). You should, however, rehydrate it as per the manufacturer's instructions.
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Originally Posted by mikesalvo View Post
I have washed s04
Starter is a great idea in this case. I don't think Osagedr saw that you were pitching washed yeast.
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Old 08-02-2012, 03:18 PM   #9
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Quote:
Originally Posted by passedpawn View Post
1056 = s-05
...so if I understand what your are saying is he thought he made a mistake but the mistake he made was thinking he made a mistake...

Happens to me all the time (over-thinking the problem) and is really only bad when you spend hours fixing your mistake that was not a mistake and now you have a whole new problem...

  • Measure once and cut once; BAD!
  • Measure twice and cut once; GOOD!
  • Measure over and over, and over; cutting multiple times; just plan SILLY!


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Old 08-02-2012, 03:19 PM   #10
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Originally Posted by osagedr View Post

Sounds about right for the slurry, provided proper care has been taken to ensure its viability.
please explain...My local HBS owner told me just to measure out however much I needed and just pitch. Is it as simple as taking from the primary, and pitching to a new wort?


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