Liquid Yeast YF‑206 Double Agent 100 mL

YF‑206 Double Agent is an atypical wild Belgian liquid yeast, often mistaken for Brettanomyces due to its bold aromatic profile. It produces intense tropical esters — pineapple, mango — and introduces a subtle acidity that adds freshness and complexity to IPA and NEIPA beers. Its low flocculation creates a smooth texture and a persistent fruity character. Versatile, it fits both Belgian and American hoppy recipes, offering a unique and balanced aromatic signature.

Why choose this product?

• Tropical and tangy profile for modern and expressive beers.
• Rare wild strain offering unique aromatic complexity.
• Reliable and clear fermentation despite low flocculation.

Technical characteristics

• Strain: Saccharomyces brux‑like Trois
• Fermentation type: Ale
• Origin: Belgian
• Attenuation: 80–85 %
• Flocculation: Low
• Optimal temperature: 21–30 °C
• ABV tolerance: up to 12 %
• Recommended styles: IPA, NEIPA, Belgian Wild Ale
• Format: 100 mL
• Content: > 100 billion viable cells
• Equivalent: 1 packet of dry yeast 11 g
• Suitable for: 20–25 L brews (gravity ≤ 1.055)
• Storage: 2–5 °C, up to 4 months
• Nutrients or starters not included

Rolling Beers Tips

• Ferment between 22 and 26 °C to enhance tropical notes.
• Properly oxygenate the wort before pitching for vigorous fermentation.
• Shake the vial before use to homogenize the yeast.

Product FAQ

• Is it a Brettanomyces yeast? No, it is often mistaken for Brett but is actually a Saccharomyces brux‑like Trois strain.
• Is it suitable for hoppy beers? Yes, it enhances IPA and NEIPA with fruity and tangy notes.
• Should I prepare a starter? Not for standard brews, but recommended for strong beers (> 1.055).
• Can it be stored for several months? Yes, up to 4 months at 2–5 °C in its sealed package.