Mangrove Jack's M54 Californian Lager Yeast
Mangrove Jack's M54 Californian Lager Yeast

Mangrove Jack's M54 Californian Lager Yeast

$5.49
Mangrove Jack's M54 is a unique dry lager strain that produces clean, crisp lager character while fermenting at typical ale temperatures. Designed for California Common and hybrid lager styles, it eliminates the need for extended cold lagering while delivering balanced, refreshing results.
  • Clean lager character at ale fermentation temperatures
  • Ideal for California Common & hybrid lager styles
  • 10 g packet treats approximately 6 gallons
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Fermentation Temp Range
Each yeast strain has a temperature range where it performs best. Lagers require cooler temps, while Kveik yeasts can ferment in extreme heat. Maintaining the proper fermentation temperature for each yeast strain is crucial its health. Matching a yeast's ideal range to your environment (or your ability to control temp) is key to getting clean, consistent results.
Scale from 30°-120°F

Mangrove Jack's M54 produces exceptionally clean lager character while fermenting at traditional ale temperatures. The strain minimizes ester production, allowing malt complexity and hop balance to remain the primary focus of the finished beer.

With attenuation between 77–82% and high flocculation, M54 creates crisp, refreshing lagers with excellent clarity and a smooth, dry finish without requiring extended cold conditioning.

Mangrove Jack's M54 performs especially well in:

  • California Common
  • American Lager
  • Cream Ale
  • International Pale Lager
  • Czech Pale Lager
  • Doppelbock
  • Eisbock
  • Baltic Porter

Yeast Format: Dry

Yeast Style: Lager

Flocculation: High

Attenuation: 77–82%

Fermentation Temperature Range: 64–68°F (18–20°C)

Style Applications: California Common, American Lager, Cream Ale, International Pale Lager, Czech Pale Lager, Doppelbock, Eisbock, Baltic Porter

  • Ferment between 64–68°F for optimal clean lager character.
  • Pitch directly into well-oxygenated wort.
  • Ideal when traditional cold lager fermentation is not practical.
  • High flocculation promotes excellent clarity.
  • Works especially well in California Common and hybrid lager recipes.

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Mangrove Jack's M54 Californian Lager Yeast
$5.49

Frequently Asked Questions

M54 produces clean lager character while fermenting at standard ale temperatures, eliminating the need for traditional cold fermentation.

Mangrove Jack's M54 performs best between 64–68°F (18–20°C).

M54 is recommended for California Common, American Lager, Cream Ale, International Pale Lager, Czech Pale Lager, Doppelbock, Eisbock, and Baltic Porter.

Mangrove Jack's M54 has an apparent attenuation range of 77–82%.

Yes. Its high flocculation helps yeast settle efficiently, producing bright, clear finished beer.

One 10 g packet is designed to ferment approximately 6 gallons of wort.


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