[IBU] Yeast Test at Next Meeting

Tue Nov 13 16:58:40 CST 2007

Andy,

  I've reused cakes from US-05 several times with great results.  I
think I've gone up to the 3rd generation without noticing any
off-flavors but usually just pitch off of 1 cake and call it good.  When
I save yeast, I typically split one cake into three 16oz plastic beer
bottles and keep those in my fridge. 

Brian,

  Unfortunately, I'm not currently setup to do 10 gallon batches.  I've
got 2 kegs in my garage but I haven't gotten them converted yet.  It
would be nice to have the ability for experiments like this, but I
really like variety and I think I would get bored with 10 gallons of the
same beer (even if I used different yeasts).

--Mike

________________________________

From: Cleghorn, Andy [mailto:Cleghorn.Andy at principal.com] 
Sent: Tuesday, November 13, 2007 4:01 PM
To: Mike Young; ibu at iowabrewersunion.org
Subject: RE: [IBU] Yeast Test at Next Meeting

I did a very similar test last year with a pale ale and was very happy
with the results.  I brewed a 15 gallon batch of a standard pale ale.  I
made about a liter starter of 1056 and split that between 2 5 gallon
carboys and pitched one packet of the Saf - 56 (same yeast, different
name I think) in to the third.  I didn't rehydrate or anything.  Just
pitched and oxygenated all three the same.  There was as much difference
between the 2 1056 carboys as there was with the dry yeast.

Years ago I used quite a bit of dry yeast, but found most to be at least
somewhat over attenuative.  I tried a bunch and found the Nottingham to
be about the best, but it still seemed to dry the beers out more.  The
Saf - 56 didn't seemed to do that and I still keep packets in the fridge
to brew when I don't have a yeast cake to harvest or don't want to mess
with a starter.

One thing, though.  I have never used the dry for more than one
generation.  I don't know that it matters much, and with the cost you
wouldn't have to, but I am used to getting 3 - 4 batches from my 1056 if
I am brewing regularly.  Have you tried reusing the cake?

________________________________

From: Mike Young [mailto:myoung at mikeserve.com] 
Sent: Tuesday, November 13, 2007 3:40 PM
To: ibu at iowabrewersunion.org
Subject: [IBU] Yeast Test at Next Meeting

About 2 months go, I made two cream ales using the exact same recipe but
used Fermentis US-05 in one batch and Wyeast 1056 in another.  I have
been using US-05 in about 80% of my beers for the last 1.5 years or so
and have been very pleased with the results.  I've read several places
online that people consider 1056 and US-05 to be almost identical, so I
wanted to test that out for myself.  I thought that at next week's
meeting, I could bring 2 or 3 22oz bottles of each beer and we could do
a blind taste test between the two.  Only I would know which beer was
which.  If you'd be interested in this experiment, please let me know
and I'll plan on bringing the beer.  I will also be doing this test at
the ABL meeting tonight.

--Mike

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