Item #: 2967797 Wyeast #1007XL German Ale Yeast $7.99 Ferments dry & crisp, leaving a complex but mild flavor. Produces an extremely rocky head & ferments well down to 55 degrees F. Good choice for fermenting "lager"-style beers at room temperatures. Now in the expanded 125 ml package (6 - 8 times more yeast than the previous 50 ml packages)!