A commonly cited off-flavor in beer evaluation known for causing a puckering or even fuzzy sensation in the mouth is astringency. In this episode, contributor Ray Found sits down with Marshall to discuss posited causes of astringency in beer, methods brewers use to avoid this undesirable off-flavor, and the results of some exBEERiments 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 | Boiling Spent Grain xBmt: http://brulosophy.com/2016/03/28/the-vorlauf-effect-pt-2-testing-the-extreme-exbeeriment-results/ Impact Of High Mash pH: http://brulosophy.com/2017/07/24/water-chemistry-pt-9-evaluating-the-impact-of-high-mash-ph-exbeeriment-results/ Astringency Off-Flavor xBmt: http://brulosophy.com/2017/12/21/off-flavor-series-astringent-exbeeriment-results/