Wyeast 4946 Bold Red / High Alcohol Wine Yeast has dominating, strong fermentation characteristics. This direct pitch activator is best used for use in the fermentation of Zinfandel, Pinot Noir, Syrah, or any high sugar must.

Dominating, strong fermentation characteristics. Ideal for Zinfandel, Pinot Noir, Syrah or any high sugar must. Good choice for restarting stuck fermentations. Temperature range: 60-85 F. Alcohol Tolerance: 18%.