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Oslo Yeast - high temp lager like qualities


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#21 ER Pemberton

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Posted 14 March 2019 - 02:49 PM

I'm not going to suggest that Matt had some contamination... but I have had regular "neutral" yeast give me bad results which, of course was my own fault.  I used Omega West Coast ale (which does not have a nutrient pack in it) and I just used it in a 5% ale without a starter.  Big mistake.  It was supposed to be a "blonde ale" but it came out like a Belgian Hefeweizen.  Never again.... :covreyes:



#22 HVB

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Posted 14 March 2019 - 04:36 PM

I'm not going to suggest that Matt had some contamination... but I have had regular "neutral" yeast give me bad results which, of course was my own fault. I used Omega West Coast ale (which does not have a nutrient pack in it) and I just used it in a 5% ale without a starter. Big mistake. It was supposed to be a "blonde ale" but it came out like a Belgian Hefeweizen. Never again.... :covreyes:


Was it fresh? I have had good results with omega yeast.
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#23 Seven

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Posted 14 March 2019 - 07:17 PM

I haven't used this yeast yet but I just bought 3 dried kveik yeasts and 1 dried Lithuanian yeast. The yeasts came in 1 gram packages, supposedly enough for 5 gallons of 1.050 wort. I made a 1L starter with the intention of harvesting. Brewed a very hoppy 1.064 wort and chilled to 110F for my Whirlpool. Pitched 600ml of the starter, which smelled fantastically of oranges, at about 95F and covered the fermenter with a quilt. I had active fermentation within a couple hours and krausen fell completely within 24 hours, gravity down to 1.012! The sample was a bit yeasty but had no off flavors, hot alcohol, greenness, diacetyl, etc. These yeasts can be game changers for summer brewing...mind blown!
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#24 ER Pemberton

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Posted 15 March 2019 - 05:47 AM

Was it fresh? I have had good results with omega yeast.

Yes, it was fresh but it was the first time I made an ale with anything outside of dry (very rare as it is) or Wyeast where I could smack a pack and watch it expand knowing that the yeast was viable.  What I did amounted to taking a White Labs vial (or pouch) of ale yeast and just opening it and pitching it.  Generally speaking I would not do that.  If I were starting up a lager yeast I would make a big starter for it.  If I were starting an ale yeast from a Wyeast package and the package swelled up quickly I would be satisfied that the yeast was going to make good beer.  In this case the activity didn't start up in the fermenter for 2-3 days and something else took over... which calls into question the sanitation too.  I feel like sanitation issues are rare here but you never know.  Clearly I'm spoiled by that Wyeast packaging.  I don't really want to make starters with ale yeast if I can help it.    



#25 LeftyMPfrmDE

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Posted 18 March 2019 - 08:32 AM

I haven't used this yeast yet but I just bought 3 dried kveik yeasts and 1 dried Lithuanian yeast. The yeasts came in 1 gram packages, supposedly enough for 5 gallons of 1.050 wort. I made a 1L starter with the intention of harvesting. Brewed a very hoppy 1.064 wort and chilled to 110F for my Whirlpool. Pitched 600ml of the starter, which smelled fantastically of oranges, at about 95F and covered the fermenter with a quilt. I had active fermentation within a couple hours and krausen fell completely within 24 hours, gravity down to 1.012! The sample was a bit yeasty but had no off flavors, hot alcohol, greenness, diacetyl, etc. These yeasts can be game changers for summer brewing...mind blown!

Where do I procure such yeast? Its been on my radar for a bit. curious for myself, but I think it'll be a good subject for a future brew club meeting.  


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#26 HVB

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Posted 18 March 2019 - 09:16 AM

Where do I procure such yeast? Its been on my radar for a bit. curious for myself, but I think it'll be a good subject for a future brew club meeting.  

Curious also where he got it.


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#27 Seven

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Posted Yesterday, 05:52 PM

Curious also where he got it.


Sorry for the delay. I got my yeast from Sleight Beer Lab...they had a limited run of dry yeasts, 3 kveik from Norway and 1 farmhouse yeast from Lithuania. They were all isolates since the originals typically contain multiple strains. Other labs manufacture these yeasts, including Omega, TYB, Escarpment.

There's a lot of info about these yeasts at the Milk The Funk wiki and on the blog from the guy responsible for bringing these yeasts from obscurity

http://www.garshol.p...o/blog/378.html

I have a LOT of yeast from primary that I saved and will attempt to dry shortly. It unfortunately has some hop material in it but I'll give it a go anyway.
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