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In Focus: German Lager Yeast

WLP830 German Lager Yeast
This yeast is one of the most widely used lager yeasts in the world. Very malty and clean, great for all German lagers, pilsner, oktoberfest, and marzen. 
Attenuation: 74-79%
Flocculation: Medium
Optimum Fermentation Temperature: 50-55°F
Alcohol Tolerance: Medium

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Reviews:

"Hardy yeast ... "
By: Kris Olson
Date: October 23, 2007
Beers brewed: Quadrupel
Comments: I wasn't sure how this yeast would hold up to my Double-Dubble (OG = 1.107). I made a beefy starter (2L) and pitched the slurry into the wort. Fermented very strong, but then hung out at 1.046 for 2 weeks. Turns out my zinc concentration was too low. I made up a second starter (again, 2L) but this time with Servomyces. Pitched it into the partially-fermented beer after racking to secondary, and fermentation went to completion (1.019) in just a week. Overall attenuation 81% after 4 weeks at 68˚F, ABV = 12.1%. Hardy yeast, contributed great flavors of plum, raisins, pear, and slight apple.

" ... nice clean well balanced malty beer"
By: Greg
Date: October 06, 2007
Beers brewed: Octoberfest Marzen
Comments: Fermented very well at 50 degrees for two weeks. Did a two day diacetyl rest to finish fermenting. Lagered for 9 weeks  Produced a nice clean well balanced malty beer.

" ... clears nicely"
By: Steve Mangum
Brewery: Oaken Barrel Brewery
Date: July 31, 2007
Beers brewed: Dortmunder Export
Comments: This yeast is very consistent in the way that it produces sulfury and unwanted flavors at first and then after lagering three weeks it goes away and clears nicely. It is the force behind the finish of the beer no doubt. So don't worry, just wait two weeks. Not recommended for hoppy beers, the malt flavor 830 gets can be covered by over hopping.

"Very clean beer"
By: Anonymous
Date: May 25, 2007
Beers brewed: Traditional Bock
Comments: I made a pint starter, then stepped it up after a few days with another quart of wort. Fermented a double decoction bock of about 1.065 SG at around 55F. It took a month for the FG to stop dropping and finished around 1.014. I kegged half and put the other half in a carboy. I lagered both for about 4-5 weeks. Kegged version is quite good. Bottled version is excellent. Very clean beer, no fruit or sulfur or other fermentation by-products, just rich Munich malt flavor. Very good yeast. But give it time to do its job.

" ... nice malty clean lager"
By: Matthew
Date: March 10, 2007
Beers brewed: German Lager
Comments: Very nice strain, fermented well at 10degc and it produced a nice malty clean lager. I used a decent starter and still took a while to fire at 10degC. The larger the starter the better.

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