Ask Mr. Wizard

Yeast Starters for Yeast Blends

TroubleShooting

Simon Ryr - Woluwé-Saint-Pierre, Belgium asks,
Q

I’ve got a vial of White labs WLP670 (Farmhouse Blend), which contains a saison strain and a Brettanomyces strain and the “best before” date is slightly expired (less than a month). I guess I’d better make a starter to wake up my culture, but as the two strains have pretty different reproduction speeds and metabolisms, wouldn’t a “classic” starter change the balance between the strains?

A
If I had to choose between using an old mixed yeast culture that has the “correct” ratio of yeast cells that the yeast supplier used in the blend or using a vital
Response by Ashton Lewis.