Home beer-brewing thrumometers measure temperature as liquid flows through a thermometer. See how the thrumometer works from a master beer brewer in this free video on beverage making. Expert: John Brack Contact: www.AustinHomebrew.com Bio: John Brack has been brewing his own beer and wine for more than 15 years, and has been on-staff with Homebrew Supply for more than 11 years. Filmmaker: MAKE | MEDIA
