ArticleBrew In A Bag Best Practices You’ve heard by now that Brew-In-A-Bag (BIAB) is an easy way to start all-grain brewing — and it’s true! But that doesn’t mean, however, that it doesn’t require some attention to detail.Already a member? Log InWritten by Rex SlagelIssue: May-June 2016You'll Also Like Article FREE BIAB: Tips From the Pros Brew-in-a-bag (BIAB) continues to grow in popularity around the world. Learn from two brewers well versed in maximizing the BIAB experience. Article MEMBERS ONLY The Role of pH in Brewing pH plays a role in every step of the brewing process — from the time you mash in, all the way through to the final beer that fills the glass. Take a closer look at pH throughout the brewing process.