YeastMatch

Strain MJ M42 vs Strain MJ M44: 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 10 % ABV.

SpecStrain MJ M42Strain MJ M44
ManufacturerMangrove Jack's (dry)Mangrove Jack's (dry)
SpeciesSaccharomyces cerevisiae, top-fermenting aleSaccharomyces cerevisiae, top-fermenting ale
Fermentation temperature16 to 22 C (61 to 73 F)18 to 23 C (64 to 73 F)
Apparent attenuation77 to 82 %77 to 85 %
Alcohol tolerance12 % ABV10 % ABV
FlocculationVery high (rate 5)High (rate 4)

Questions and answers

Which has the higher alcohol tolerance, Strain MJ M42 or Strain MJ M44?

On alcohol tolerance, Strain MJ M42 leads: 12 % ABV versus 10 % ABV.

How do Strain MJ M42 and Strain MJ M44 compare?

On alcohol tolerance, Strain MJ M42 leads: 12 % ABV versus 10 % ABV.

Compared here

Mangrove Jack's M42 New World Strong Ale yeast: temperature, attenuation and alcohol toleranceMangrove Jack's M44 US West Coast yeast: temperature, attenuation and alcohol tolerance