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Mangrove Jack's M29 French Saison Yeast

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Product details

Management number 232531159 Release Date 2026/06/21 List Price US$1.61 Model Number 232531159
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Mangrove Jack's M29 French Saison Yeast is a highly attenuative Belgian-style strain that produces dry, crisp, and refreshing beers with a complex mix of peppery spice, subtle citrus, and earthy phenolics. It's prized for its ability to ferment at higher temperatures, unlocking bold saison character while maintaining excellent drinkability.

Technical Details:

  • Flocculation: Medium (3/5), with a tendency to stay in suspension before dropping out cleanly.
  • Attenuation: Very High, typically reaching 85–90% for a super dry finish.
  • Alcohol Tolerance: Up to 14% ABV.
  • Fermentation Temperature: Optimal range is 26–32°C (79–90°F).
  • Usage: Pitch directly into wort or hydrate first for best results.
  • Ideal Beer Styles: Traditional saisons, farmhouse ales, grisettes, and rustic specialty beers.
Pro Tip: Don’t fear the heat! Fermenting warm (79–90°F) actually brings out the classic spicy-fruity character that defines a great saison. In fact, high fermentation temps help M29 produce its signature blend of esters and phenols. Embrace the warmth—it’s where the flavor magic happens.

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