
Spicy and phenolic, Mangrove Jack's M41 Belgian Ale yeast is designed to recreate the intensity and complexity of beers from Belgium's monastic breweries. Its high attenuation and alcohol tolerance make it a strong choice for big Belgian beers.
Key features
- Spicy, phenolic character
- High alcohol tolerance
- Very high attenuation for a dry finish
- Suits Belgian Strong Golden and Belgian Strong Dark Ales
Specs
- Attenuation: very high (82-92%)
- Flocculation: medium
- Fermentation temperature: 18-28°C
- Sachet: 10g, for up to 23 litres
- Storage: in the fridge
How to use
Sprinkle directly onto up to 23 litres of wort and ferment at 18-28°C.
For brewers chasing a spicy, strong Belgian - pair it with the Belgian Dubbel Build Your Own Beer Kit. For a fruitier, less spicy beer choose M47 Belgian Abbey.
Yeast Specification
HighAttenuation
18–28°CTemp Range
LowFlocculation
12%ABV Tolerance
🔬 SpeciesSaccharomyces cerevisiae var. diastaticus
⏱️ Fermentation SpeedFast
➕ Pitch Rate10–12g/20–30L
🎯 Recommended ForTripel/Golden Strong
See all specifications (7 more)
🍑 Ester ProfileHigh - Spicy/Plum
🌿 Phenolic ProfileStrong Phenolic
🌱 Hop PairingsSaaz/Hallertau
🌾 Malt PairingsPilsner/Sugar
🍺 Similar BeersDuvel-style ales
❄️ Storage Temp4°C
📅 Shelf Life24 months