Mangrove Jack’s M42 New World Strong Ale Yeast – 10g Sachet
Robust Ale Yeast for Bold, High-Gravity Brews
Mangrove Jack’s M42 New World Strong Ale Yeast is a top-fermenting strain designed to deliver clean, well-balanced ales that showcase the full character of your malts and hops. This versatile yeast is ideal for brewing a wide range of strong ales, including IPAs, Porters, Russian Imperial Stouts, and more. Its neutral yeast aroma ensures that the malt and hop profiles remain at the forefront of your beer's flavor.
With high attenuation (77–82%) and very high flocculation, M42 ferments efficiently, producing beers with excellent clarity and a dry finish. Its robust fermentation performance makes it suitable for high-gravity worts, and it can tolerate alcohol levels up to 12% ABV. The recommended fermentation temperature range is 61–72°F (16–22°C), providing flexibility for various brewing conditions.
Key Characteristics
- Yeast Type: Top-fermenting dry ale yeast
- Beer Styles: IPAs, Porters, Russian Imperial Stouts, Barleywines, American Strong Ales
- Fermentation Temperature Range: 61–72°F (16–22°C)
- Attenuation: High (77–82%)
- Flocculation: Very High
- Alcohol Tolerance: Up to 12% ABV
- Flavor Profile: Neutral yeast character, allowing malt and hop flavors to shine
Brewing Applications
M42 is particularly well-suited for brewing high-ABV ales where a clean fermentation profile is desired. Its ability to ferment efficiently and flocculate well makes it a reliable choice for both homebrewers and professional brewers aiming to produce strong, flavorful ales with clarity and balance.
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.