A10 Darkness Stout & Ale Yeast from Imperial Yeast
Brewers love this yeast strain for dark beers. Its high alcohol tolerance make it a go-to for big beers. A beautiful strain for stout, porter, brown, and amber ales. Darkness produces a unique character that matches up perfectly with roasted and caramel malts. This strain is alcohol tolerant, so don’t hesitate to throw high gravity worts its way.
Specifications
  • Brand: Imperial Yeast
  • Strain Origin: Ireland
  • Flocculation: Medium
  • Temperature Range: 62 - 72 °F
  • Attenuation: 71 - 75%
  • Ester/Phenol Production: Low-Moderate
  • Alcohol Tolerance: 12%
  • How to Use

    Imperial Yeast provides a yeast cell count of about 200 billion, which is a proper pitching rate for nearly all five gallon batches. These packages contain twice the amount of yeast as Wyeast or White Labs, and that means better fermentations without the need for a starter.

    Click to compare beer yeast strains and learn of their possible brewery or location origins.

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    Pickup Locations Available for This Item

    The Beverage People Warehouse, Santa Rosa.

    Fulfillment occurs Tues - Sat, 11 AM - 5 PM. We aim to fulfill orders in 2 hours or less, whenever possible.

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    Returns

    How to Return Goods for Refund

    All our supplies are guaranteed for one year. Request for refunds occurring more than 30 days after the date of purchase on non-defective goods may be granted as a store credit if the goods are returned in their original condition. Yeast is perishable and should be refrigerated on arrival. No refunds are allowed on sales of living organisms such as yeast and bacteria.

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