Mangrove Jack’s M41 Belgian Ale Yeast – 10 g

Why Brewers Love It

M41 Belgian Ale is a powerhouse yeast strain designed for strong Belgian styles. It produces bold fruity esters and spicy phenolics that define classic abbey ales. With very high attenuation and alcohol tolerance, it excels in crafting strong, dry, and complex Belgian beers with layered character.

Flavor and Profile

Expect banana, plum, and raisin esters complemented by peppery spice. Provides a dry, crisp finish even in high-gravity beers, letting yeast complexity take center stage.

Best Uses

• Abbey styles: Dubbel, Tripel, Belgian Strong Golden, and Dark Strong Ale.
• Quads and high-gravity ales: Robust yeast performance supports beers up to 12 percent ABV.
• Experimental Belgian-inspired brews: Great base for fruited or spiced strong ales.

Specs

• Format: Dry yeast
• Packet weight: 10 g
• Apparent attenuation: 82-88 percent
• Flocculation: Medium
• Fermentation temperature: 64-82 °F (18-28 °C)
• Alcohol tolerance: Up to 12 percent ABV

Brew Tips

• Use cooler fermentation (64-68 °F) for restrained phenolics; ferment warmer for bolder esters and spice.
• Best for strong ales where dryness and yeast character are essential.
• Ensure proper oxygenation and yeast nutrition for high-gravity worts.