Most beer geeks will tell you don’t pasteurize your beer. (Heating it up to kill bacteria. See: Milk) What works for your fruity pebbles doesn’t really do that well with beer’s like Goose Island Brewing’s Sofie. The brewery has had it’s fair share of spoilages & infections. In the video, Brett Porter chats about the new sterile filtration system to help prevent infection without pasteurization. Essentially, this big filter made of diatomaceous earth is used to filter out beer spoiling bacteria. In the barrel aging process, some funky stuff can happen to make the beer complex and tasty. Bottle it, and it might go down the wrong road. This new system helps prevent future spoilage issues…