Michigan's Speciation Artisan Ales is a production brewery that is open one day each month for bottle releases of small-batch sour and farmhouse beers. Luckily, founder and brewer Mitch Ermatinger is an open book as he joins Jay and Moscow on this episode of The Sour Hour.  From his roots in a homebrew shop to working with Black Project Spontaneous and Wild Ales, Mitch has continued to hone his mixed-culture fermentation skills. Tune in and get the inside scoop on some of the many things he has learned over the years.   Learn more about your ad choices. Visit megaphone.fm/adchoices