YeastMatch

White Labs WLP838 Southern German Lager from White Labs: 10 to 13 C (50 to 55 F), 68 to 76 % attenuation, Medium tolerance, medium to high flocculation. Styles and substitutes.

Updated 05 September 2026.

White Labs WLP838 Southern German Lager yeast: temperature, attenuation and alcohol tolerance

White Labs (liquid)

The published White Labs data for White Labs WLP838 Southern German Lager, the styles it suits, and what to use if you cannot get it.

Gauge readout
Attenuation68 to 76 %
Alcohol toleranceMedium
Fermentation temp10 to 13 C (50 to 55 F)
Attenuation50%75%100%
Alcohol010%20% ABV
Temperature02040 C

Published technical data

ManufacturerWhite Labs (liquid)
SpeciesSaccharomyces pastorianus, bottom-fermenting lager
Fermentation temperature10 to 13 C (50 to 55 F)
Apparent attenuation68 to 76 %
Alcohol toleranceMedium
FlocculationMedium to High

Notes

Recommended for Munich helles, Oktoberfest, dunkel, bock.

Character: Malty, balanced southern German lager character with high flocculation.

A southern German lager strain that flocculates well and balances malt against a clean finish, which suits helles and Oktoberfest beers. Its high flocculation drops it clear, shortening the lager time a little.

Substitutes and styles

Questions and answers

What is the manufacturer of the White Labs WLP838 Southern German Lager yeast?

White Labs (liquid)

What is the species of the White Labs WLP838 Southern German Lager yeast?

Saccharomyces pastorianus, bottom-fermenting lager

What is the fermentation temperature of the White Labs WLP838 Southern German Lager yeast?

10 to 13 C (50 to 55 F)

What is the apparent attenuation of the White Labs WLP838 Southern German Lager yeast?

68 to 76 %