White Labs WLP830 German Lager vs SafLager W-34/70: which to use
White Labs WLP830 German Lager: White Labs · SafLager W-34/70: FermentisThe two strains side by side on the numbers that decide it, and which to reach for.
Gauge readout
Attenuation72 to 77 % (76.5% typical)
Alcohol toleranceMedium tolerance
Fermentation temp10 to 13 C (50 to 55 F)
Attenuation50%75%100%
Alcohol010%20% ABV
Temperature02040 C
Published data side by side
| Manufacturer | White Labs WLP830 German Lager: White Labs · SafLager W-34/70: Fermentis |
|---|---|
| White Labs WLP830 German Lager temperature | 10 to 13 C (50 to 55 F) |
| SafLager W-34/70 temperature | 12 to 18 C (54 to 64 F) |
| White Labs WLP830 German Lager attenuation | 72 to 77 % (76.5% typical) |
| SafLager W-34/70 attenuation | 80 to 84 % |
| White Labs WLP830 German Lager alcohol tolerance | Medium tolerance |
| SafLager W-34/70 alcohol tolerance | 9 to 11 % ABV |
| White Labs WLP830 German Lager flocculation | Medium |
| SafLager W-34/70 flocculation | Fast sedimentation |
Notes
WLP830 and SafLager W-34/70 are both the Weihenstephan 34/70 lager strain, one liquid and one dry, so they make the same clean German lager.
Choose W-34/70 for a dry strain you can pitch straight and store on the shelf.
Choose WLP830 if you build lager starters and want to repitch a big liquid pitch.
The strains in full
Sources: White Labs WLP830 German Lager specification (Brewer's Friend) · Brewstock Beer Yeast Comparison Chart (White Labs / Wyeast / Omega / Fermentis / Lallemand cross-reference) · Fermentis SafLager W-34/70 product page