Saflager S-23 Lager Yeast - 11.5 grams 2967175 This is a true bottom fermenting lager yeast strain. For best results, rehydrate yeast in a cup of lukewarm water for 10 - 15 minutes, pitch into wort,and allow to stand at room temperature until fermentation commences. Then cool to 52 - 60 degrees and finish fermentation in this range. After fermentation has completed, syphon into secondary fermenter and allow to clarify before bottling or kegging. $2.99