Learn how adding bacteria to your brew can make a pleasurably sour libation. Cascade Brewery in Portland, Oregon is making some of the highest quality sour beers in the world. Head over to their website or barrel house and try it for yourself. Watch Brew Age on your mobile device by downloading the new TestTube iOS app here! testu.be/1ndmmMq Big Thanks to: Cascade Brewing www.cascadebrewing.com/ Music: Leo Kaliski leokaliski.blogspot.com/ Basin & Range www.basinandrangeband.com/ James McDonald soundcloud.com/alcoves Brew Age is a short format video series, documenting the home brewers and microbrewers alike that are making a splash in the craft beer industry. It's a craft beer revolution! If YOU want to brew your own beer, learn how with the American Homebrewers Association www.homebrewersassociation.org/ More Brew Age on TestTube testtube.com/brewage Subscribe www.youtube.com/user/brewagetv?sub_confirmation=1 Tumblr brewagesf.tumblr.com Twitter twitter.com/brewagetv Facebook facebook.com/brewagetv Google+ gplus.to/brewage