Ask Mr. Wizard

Re-Pitching Yeast


@dangerolsen Via Twitter asks,

I am tired of buying yeast all the time. is it OK to just repitch the trub from a previous batch?

Re-pitching of yeast is a normal method used by brewers around the globe. Although the practice is simple, there are a few rules that may make the method less than ideal for
Response by Ashton Lewis.