4
votes
4answers
276 views

Repitching yeast on back to back brews, which one first?

I'm brewing two beers back to back so I can reuse some White Labs California Ale (WLP001). One is a basic APA 1.058 OG and the Other is a Scottish Export/80 1.051 OG. Is there any reason I should ...
11
votes
5answers
1k views

Is it necessary to aerate wort when pitching onto an existing yeast cake?

To my knowledge, aeration provides oxygen so that the yeast can reproduce before fermentation. If you're pitching onto an existing yeast cake, there should theoretically be enough yeast already to ...
12
votes
3answers
2k views

Should I ferment a new batch directly on the yeast cake generated by the previous batch?

I'm going to re-use the yeast cake from a low-gravity batch to ferment a high-gravity batch. Can I just put the wort directly on it? Does it then need to be agitated? Is it worth the risk of ...