1 pack of 11.5g  S23 Lager yeast enough for a single 23lt Brew . .

Yeast is a crucial component in craft brewing. S-23 is one of best known European lager yeast strains. Brew it cold for very clean crisp results.  Use this yeast for clean crisp Lagers and Pilsners. Brew Cold. Ideal brewing temperature 10-15 degrees C.