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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > S-04 or 05 for Porter?
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Old 01-27-2013, 11:16 PM   #1
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Default S-04 or 05 for Porter?

Which one and why?

The Fermentis site is so frustrating to use when trying to choose between their dry yeasts.

Thanks!

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Old 01-27-2013, 11:22 PM   #2
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Depends on how you want your porter to taste.

05 attenuates and flocculates more than 04, which will leave you with a drier, clearer beer (given the same grain bill, fermentation temps and time, etc).

04 will give you a sweeter, maltier beer, but will leave your gravity higher, and take longer to clear.

They'll both make you a tasty porter.

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Old 01-27-2013, 11:29 PM   #3
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Do you prefer one over the other? I've heard S-05 referred to as a "workhorse" yeast.

My brewing buddy has been using it for nearly everything here recently.

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Old 01-27-2013, 11:34 PM   #4
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Quote:
Originally Posted by feinbera View Post
Depends on how you want your porter to taste.

05 attenuates and flocculates more than 04, which will leave you with a drier, clearer beer (given the same grain bill, fermentation temps and time, etc).

04 will give you a sweeter, maltier beer, but will leave your gravity higher, and take longer to clear.

They'll both make you a tasty porter.
S04 is more flocculant than S05

S04 will leave you with a clearer beer all else equal.

the rest of your info is accurate.
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Old 01-27-2013, 11:35 PM   #5
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04 fits the style better. That's what I would use

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Old 01-27-2013, 11:47 PM   #6
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04 fits the style better. That's what I would use
+1 I use S-04 for more English styles and US-05 for more American.
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Old 01-28-2013, 12:23 AM   #7
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Default 04 vs 05

I recently did a smoked porter and Foreign Export Stout using 05 in each.

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Old 01-28-2013, 01:20 AM   #8
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If do 04. It'll taste more like a traditional porter.

05 could be good. I know it's not the same style but I imagine 05 would give you a clean beer like a Baltic porter.

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Old 01-28-2013, 01:28 AM   #9
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I pretty much just use S-04 and US-05 in all my beers. My Porter gets the -04 with very good results. I typically use the -05 in APAs and IPAs, but have used the -04 in APAs a few times with good results, esp. when I'm going for a bit more malt in the flavor profile.

S04 does floc out faster and clear up better.

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Old 01-28-2013, 10:48 AM   #10
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Wow, great info here! I've learned more about 04/05 in these few short posts than trying to decipher the manufacturers website.

Thanks!

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