(Please order the following two products directly from Vinquiry at 707-838-6312).

Williams-Selyem: 
This strain has gained a reputation among winemakers as being particularly resistant to stuck fermentations. Isolated from a late harvest Zinfandel, it is an alcohol tolerant strain well suited for Zinfandel, Pinot Noir, Chardonnay and to restart fermentations. Alcohol tolerant to 19% (v/v) with moderate lag phase and strong fermentation kinetics.
The liquid version of W-S, propagated by White Labs, is pitchable directly to 200 gallons of juice or must with subsequent expansion appropriate to inoculate 4,000 gallons. 

Prise de Mousse:
This liquid strain is a Champagne isolate suited for white and red wines where a rapid neutral fermentation is required. Able to ferment between 8 to 30 °C to 18% (v/v) alcohol.

The liquid versions of these strains, propagated by White Labs, are pitchable directly to 200 gallons of juice or must with subsequent expansion appropriate to inoculate 4,000 gallons.