Liquid Yeast YF‑106 Redshamrock 100 mL

YF‑106 Redshamrock Liquid Yeast — Irish‑style yeast ideal for stouts, porters, and amber ales. It stands out for its versatility: at lower temperatures, it produces clean, dry beers with subtle esters; at higher temperatures, it reveals complex fruity aromas and the roundness typical of Irish ales. Its consistency and clean aromatic profile make it a benchmark for brewers seeking balance between malty sweetness and roasted character.

Why choose this product?

• Reliable and consistent fermentation, suited to classic Irish styles.
• Aromatic profile adjustable according to fermentation temperature.
• Convenient 100 mL format, ready to use for home brews (gravity ≤ 1.055).

Technical characteristics

• Strain: Saccharomyces cerevisiae
• Fermentation type: Ale
• Origin: Irish
• Attenuation: 71–75 %
• Flocculation: Medium
• Optimal temperature: 17–22 °C
• Tolerated ABV: up to 12 %
• Recommended styles: Irish Ale, Stout, Porter, Amber Ale
• Format: 100 mL
• Content: > 100 billion viable cells
• Equivalent: 11 g dry yeast packet
• Suitable for: 20–25 L batches (gravity ≤ 1.055)
• Storage: 2–5 °C, up to 4 months
• Nutrients or starters not included

Rolling Beers Tips

• For a dry, clean stout, ferment between 17 and 18 °C.
• For a fruitier red ale, raise the temperature to 20–22 °C.
• Properly oxygenate the wort before pitching to maximize yeast vitality.
• Shake the vial before use to homogenize the yeast.

Product FAQ

• Is it suitable for Guinness‑style beers? Yes, it is recommended for Irish stouts and red ales.
• Should I prepare a starter? Not for standard batches, 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 packaging.
• What is its aromatic profile? Roasted malt, chocolate, red fruits, and subtle esters depending on temperature.