Used by many German breweries to produce rich, full-bodied, malty beers. Good choice for Bocks and Doppelbocks. Flocculation: medium, apparent attenuation: 73-77%, 48-58 deg F. 125 ml XL packets contain 5 times the amount of yeast as a regular Wyeast packet. There is enough yeast to pitch 5 gallons of wort without incubation or 15 gallons of wort with incubation. Activator pack- 100 billion cells.