Mangrove Jack's M44 US West Coast Ale Yeast

Suitable for American-style pale ales, Double IPAs, Imperial Stouts and more.

A top-fermenting ale strain suitable for American style ales. This yeast produces an exceptionally clean flavour, ideal for when you want the hop character to really punch through.

Technical Characteristics

Strain Classification Sacchoromyces cerevisiae
Recommended Temperature Range 64-73°F (18-23°C)
Attenuation 77-85%
Flocculation Rate Medium-High
Compaction Medium
Viable Yeast Cells 50 billion cells per 10g package
Dry Weight 93-96%
Wild Yeast <1 per million cells
Total Bacteria <1 per million cells
GMO Status GMO free

Observable Traits

Aroma Chacteristics

A very neutral strain even when fermented in higher gravity worts and warmer temperatures. Tangy citrus and pine hop aromas will be enhanced, as well as toasted and dark malt aromas.

Flavour/Mouthfeel Characteristics

Beers fermented with this strain will finish dry and crisp. This strain is at its best in hop-prominent American style ales. Very light ales may turn out a bit stripped, thin or astringent if care is not taken with the mash temperature and avoiding over-extraction. Acidity is moderately high, boosting hop flavours and creating a clipped finish.

Higher Alcohol Beers

Remaining very neutral, this strain excels in strong ales with simple malt bills. Alcohol will be a dominant flavour and aroma constituent, and may be quite warming but not harsh.