Imperial Yeast | A10 Darkness Ale | Double Pitch
Product details
| Management number | 253678878 | Release Date | 2026/10/24 | List Price | CA$5.20 | Model Number | 253678878 | ||
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Imperial Yeast A10 Darkness Ale is a liquid ale yeast selected for brewing rich, malt-forward dark beers with clean fermentation and exceptional depth of flavor. Each pouch contains approximately 200 billion cells, providing enough yeast for a standard 5-gallon batch while delivering reliable fermentation for strong, high-gravity ales.
A10 Darkness Ale is formulated to emphasize roasted, chocolate, and caramel malt character while maintaining a smooth, balanced finish. With attenuation of 71–75%, medium flocculation, a recommended fermentation temperature range of 62–72°F (17–22°C), and alcohol tolerance up to 12% ABV, this strain produces full-bodied beers with excellent malt complexity and restrained ester character, making it well suited for robust dark ale styles.
Packaged as a liquid yeast culture, A10 Darkness Ale should be stored refrigerated between 33–38°F (1–3°C) and should not be frozen. Pitch into properly oxygenated wort and ferment within the recommended temperature range for optimal performance. Use within the manufacturer's recommended freshness window, and consider preparing a starter when brewing higher-gravity beers or using older yeast.
Imperial Yeast A10 Darkness Ale is ideal for stouts, porters, barleywines, and other strong, malt-forward ales. Its dependable attenuation, high alcohol tolerance, and ability to showcase complex roasted and caramel malt flavors make it an excellent choice for homebrewers seeking rich, full-bodied beers with clean fermentation and exceptional balance.
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