ArticleYour First All-Grain Beer Brew a homebrew with malted grains from start to finish.Already a member? Log InWritten by Chris ColbyYou'll Also Like Article MEMBERS ONLY RIMS and HERMS Brew a homebrew with malted grains from start to finish. Already a member? Log In 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.