Strain MJ M42 vs Mangrove Jack's M84 Bohemian Lager yeast: specs compared
Updated 05 September 2026.
12 % ABV
Strain MJ M42 wins on alcohol tolerance
On alcohol tolerance, Strain MJ M42 leads: 12 % ABV versus 8 % ABV.
| Spec | Strain MJ M42 | Mangrove Jack's M84 Bohemian Lager yeast |
|---|---|---|
| Manufacturer | Mangrove Jack's (dry) | Mangrove Jack's (dry) |
| Species | Saccharomyces cerevisiae, top-fermenting ale | Saccharomyces pastorianus, bottom-fermenting lager |
| Fermentation temperature | 16 to 22 C (61 to 73 F) | 10 to 15 C (50 to 59 F) |
| Apparent attenuation | 77 to 82 % | 72 to 76 % |
| Alcohol tolerance | 12 % ABV | 8 % ABV |
| Flocculation | Very high (rate 5) | High (rate 4) |
Questions and answers
Which has the higher alcohol tolerance, Strain MJ M42 or Mangrove Jack's M84 Bohemian Lager yeast?
On alcohol tolerance, Strain MJ M42 leads: 12 % ABV versus 8 % ABV.
How do Strain MJ M42 and Mangrove Jack's M84 Bohemian Lager yeast compare?
On alcohol tolerance, Strain MJ M42 leads: 12 % ABV versus 8 % ABV.