It's often said that yeast require oxygen for the purposes of propagation, which serves to increase cell counts such that fermentation is strong and healthy. In this episode, Brülosophy contributor Matt Del Fiacco joins Marshall to discuss both the thinking behind wort aeration as well as some results from exBEERiments they've performed on the subject. This and every episode of The Brülosophy Podcast is proudly brought to you by The American Homebrewers Association. Become a member today at brulosophy.com/aha | Relevant Articles | Shaken vs. Nothing: http://brulosophy.com/2015/05/25/wort-aeration-pt-1-shaken-vs-nothing-exbeeriment-results/ Shaken vs. Pure Oxygen: http://brulosophy.com/2015/07/13/wort-aeration-pt-2-shaken-vs-pure-oxygen-exbeeriment-results/ Nothing vs. Pure Oxygen: http://brulosophy.com/2015/10/19/wort-aeration-pt-3-nothing-vs-pure-oxygen-exbeeriment-results/