Yeast from an historic brewery in Northern California, this strain was embraced by the early pioneers of craft beer in America and continues to be a great choice for those seeking to use a traditional British-style yeast. A neutral and versatile strain, it is a great choice for pale ales, porters, and stouts. Type: Ale Yeast Minimum Attenuation: 70% Maximum Attenuation: 74% Flocculation: Medium Minimum Fermentation Temperature: 66F (18C) Maximum Fermentation Temperature: 70F (21C) Alcohol Tolerance: Medium