Curious as to how yeast beyond its “best before” date would perform, a 10 gallon batch of wort was brewed and split into two 5 gallon vessels, one batch was inoculated with one vial of yeast pitched prior to its “best before” date, and the other batch was pitched with the same variety of yeast that had exceeded its “best before” date by approximately 5 ½ years.
Brewing with Old Yeast vs. New Yeast – Pt. 1
http://www.beersyndicate.com/blog/brewing-with-old-yeast-vs-new-yeast-pt-1/
Brewing with Old Yeast vs. New Yeast – Pt. 1
http://www.beersyndicate.com/blog/brewing-with-old-yeast-vs-new-yeast-pt-1/
