← Yeast
Mangrove Jack's M44 US West Coast
Mangrove Jacks · ale · Dry
Exceptionally clean American ale strain that lets hops take centre stage. High attenuation and high flocculation give a clear, crisp beer — a dependable choice for pale ales, big IPAs and even imperial stouts.
9 brews
About
A top-fermenting American ale strain that produces an exceptionally clean flavour, leaving room for hop character to shine. It attenuates and flocculates well for a clear, crisp result, and is at home across American pale ales, double IPAs and even imperial stouts where you want fermentation to stay out of the way of the hops and malt.
Specs
- Attenuation
- 73–80%
- Flocculation
- High
- Temperature
- 15–23°C
- Optimal
- 18–20°C
- Alcohol tolerance
- 11% ABV
- Form
- Dry
Recipe pairing
- Grains
- Pale malt base; all specialty malts compatible
- Hops
- Cascade, Centennial, Simcoe and other American varieties
- Adjuncts
- Sugar for big IPAs to keep the finish dry
- Suited to
- American IPA, West Coast IPA, Double IPA, American Pale Ale, Imperial Stout
Brewing tips
- Very clean fermentation, so hop expression stays true to the addition schedule.
- High flocculation clears the beer well for filtered or unfined West Coast styles.
- Pitch healthy (or 2 packs) and feed oxygen for double IPAs and imperial stouts near its tolerance.
Handling & storage
- Rehydration
- Direct-pitch, or rehydrate at 20°C.
- Storage
- 2–8°C.
- Shelf life
- 2 years refrigerated.
In your brews
Used in 9 batches 2020-11-12 → 2023-03-30
Attenuation (achieved) 71–85% spec 73–80%
Avg ferment temp 19.2°C range 15–23°C
ABV range 4.9–7.3% 9 measured
Styles brewed
Used in
- Black IPA 21B Specialty IPA: Black IPA
- Red IPA (January 2023) 21B Red IPA
- Red IPA (July 2022) 21B Red IPA
- Black IPA (May 2022) 21B Black IPA
- Red IPA (Generation 5) 21B Specialty IPA: Red IPA
- Hazy IPA I 21C Hazy IPA
- Red IPA (June 2021) 21B Red IPA
- Black Riwaka IPA 21B Specialty IPA: Black IPA
- Red IPA (November 2020) 21B Specialty IPA: Red IPA