How To Tell If Your Beer Has Gone Bad - Chowhound

vzwer/Shutterstock It seems almost insulting for something as seemingly shelf-stable as beer to go bad. After all, this isn't some darn dairy product we're talking about, one that begins to deteriorate at the very moment of its creation. It's hearty, boozy, reliable old beer! The very fermentation by which it's made and the alcohol within it can both act as preservatives, for goodness' sake. But nothing gold (or…