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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > alcohol tolerance of WL830
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Old 12-09-2010, 01:35 PM   #1
mlyday
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Default alcohol tolerance of WL830

Im looking to make a stong Munich helles around 7.5% ABV and was wondering if the WL830 can handle that. The web site says the alcohol tolerance is medium, but that doesnt really tell me much. I looking to do a fairly large starter with this, but before I do that I want to make sure it will work for this recipe.
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Old 12-09-2010, 02:44 PM   #2
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I brewed an Imperial Pilsner that finished at 9% ABV using WLP830. 1.080 down to 1.011. It was 3rd generation yeast pitched according to MrMalty. O2'd to 14ppm and used 8% corn sugar in the grain bill. Brewed on 6/20/10 and became really good after 4 months.

Notes on alcohol tolerance:
Very High: Over 15%
High: 10-15%
Medium-High: 8-12%
Medium: 5-10%
Low: 2-5%
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Fermenting: RIS, Egregious-ish, Barrel Fermented Dreg Lambic, Brett Trois Helles
Drinking: Tripel, Tired Hands Style IPA, Carrot Blossom Cedar Aged Mead, RIS, Dusseldorf Altbier v5, Dopplebock v2, Cider, Rye Berliner Weisse, Sauerkraut Fermented Gose, Lambic, "Brett" Trois IPA, Brett Blonde, Kriek, Saison, Sour Blonde, RIS
Barrel aged: RIS, Rye Barleywine, Tripel, Wee-Heavy
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Old 12-09-2010, 03:24 PM   #3
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So I should be go to go then. Im planning on letting this one lager for a good long while. Thanks for the information.
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Old 12-09-2010, 04:09 PM   #4
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How big of a starter did you use?
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Old 12-09-2010, 05:12 PM   #5
dstar26t
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I pitched 600 mL of 8 day old harvested slurry from a regular Pilsner into 10 gallons of the aforementioned Imperial Pilsner.
~1 Trillion, 57 Billion cells. O2'd through a .5 micron stone at 3Lpm for 70 seconds which gave 14ppm. No starter used and pitched at 45F. A second shot of O2 12 hours after pitching would probably be beneficial but I had a business trip and don't trust the wife to do it.
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Next: Helles v5
Fermenting: RIS, Egregious-ish, Barrel Fermented Dreg Lambic, Brett Trois Helles
Drinking: Tripel, Tired Hands Style IPA, Carrot Blossom Cedar Aged Mead, RIS, Dusseldorf Altbier v5, Dopplebock v2, Cider, Rye Berliner Weisse, Sauerkraut Fermented Gose, Lambic, "Brett" Trois IPA, Brett Blonde, Kriek, Saison, Sour Blonde, RIS
Barrel aged: RIS, Rye Barleywine, Tripel, Wee-Heavy
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Old 12-09-2010, 05:16 PM   #6
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Just a trillion...

off to mr malty to do some calcs.
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