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Specialized top-fermenting strain ideal for Kölsch-style beers and clean hybrid ales Produces a soft, neutral base that allows subtle hops and malt character to shine, while releasing light fruity esters at warmer temperatures Recommended for Kölsch, Blonde Ale, Cream Ale, California Common, and Hybrid Fermentations Ferment between 59-77°F Angel Yeast KO is a specialized top-fermenting strain ideal for Kölsch-style beers and clean hybrid ales. It produces a soft, neutral base that allows subtle hops and malt character to shine, while releasing light fruity esters at warmer temperatures. Medium-to-high flocculation promotes clarity, and its strong β-glucosidase activity enhances hop biotransformation—ideal for dry-hopped blonde ales or modern Kölsch interpretations. KO ferments clean at cool ale temps but can flex into warmer regimes with minimal off-flavors. Neutral, lager-like ale profile with restrained esters Medium-to-high flocculation for bright, polished beers Attenuation range of 78–83% for a crisp, dry finish Ferments from 59–77 °F (15–25 °C); cooler for classic Kölsch, warmer for esters High β-glucosidase activity for enhanced hop biotransformation Alcohol tolerance up to 9% ABV Fermentation Range: 59–77 °F (15–25 °C) Recommended for classic Kölsch: 59–64 °F (15–18 °C) Usage Rate: 0.5–1.0 g/L (50–100 g/hL); increase to 1.5–2.0 g/L (150–200 g/hL) for high-gravity or heavily dry-hopped beers Rehydration Instructions: Rehydrate in 5–10× its weight of clean water or diluted wort at 72–86 °F (22–30 °C) for 10–20 minutes. Gently adjust to wort temperature and pitch within 30 minutes for optimal viability. Applications: Kölsch • Blonde Ale • Cream Ale • California Common • Hybrid Fermentations
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