
Mangrove Jack’s M29 French Saison Yeast – 10g Sachet
If this yeast is on sale at 40% off, it’s likely nearing its expiration date—but don’t worry! It’s still highly viable and a great way to save on your brew.
Yeast Specifications:
- Manufacturer: Mangrove Jack
- Yeast Type:
- Attenuation: 85% - 90%
- Flocculation: Medium
- Temperature:
Expressive Saison Yeast for Spicy, Dry Farmhouse Ales
Mangrove Jack’s M29 French Saison Yeast is a highly attenuative, top-fermenting strain crafted to produce traditional Saisons and farmhouse-style ales with distinctive character. This yeast imparts a complex profile of spicy phenolics and fruity esters, delivering beers with a dry finish and refreshing drinkability. Ideal for brewers aiming to create authentic French-style farmhouse ales that are both flavorful and crisp.
With a very high attenuation range of 85–95% and medium flocculation, M29 ensures a thorough fermentation process, resulting in beers with excellent clarity and a dry, crisp finish. Its robust fermentation performance makes it suitable for high-gravity worts, and it can tolerate alcohol levels up to 14% ABV. The recommended fermentation temperature range is 79–90°F (26–32°C), providing flexibility for various brewing conditions.
Key Characteristics
- Yeast Type: Top-fermenting dry ale yeast (Saccharomyces cerevisiae var. diastaticus)
- Beer Styles: Saisons, Farmhouse Ales, Bière de Garde
- Fermentation Temperature Range: 79–90°F (26–32°C)
- Attenuation: Very High (85–95%)
- Flocculation: Medium
- Alcohol Tolerance: Up to 14% ABV
- Flavor Profile: Spicy pepper, fruity esters (pear, orange peel), dry finish
Brewing Applications
M29 is particularly well-suited for brewing traditional French-style Saisons and farmhouse ales where a dry finish and complex yeast character are desired. Its ability to ferment efficiently and produce distinctive spicy and fruity notes makes it a reliable choice for both homebrewers and professional brewers aiming to create beers with depth and authenticity.
Usage & Pitching Recommendations
- Direct Pitch: Sprinkle the contents of the sachet directly onto the cooled wort (up to 6 gallons or 23 liters) at the desired fermentation temperature.
- Rehydration (Optional): Rehydrate in 10 times its weight of sterile water at 77–86°F (25–30°C) for 15–30 minutes before pitching.
Storage & Shelf Life
- Storage: Store in a cool, dry place. Refrigeration is recommended for extended shelf life.
- Shelf Life: Up to 24 months from the production date when unopened and properly stored.