ArticleTaking Control of Specific GravitySpecific gravity affects many aspects of your homebrew, including its alcohol content, sweetness, and mouthfeel. Keep track of a few numbers while brewing to make the best beer possible.Already a member? Log InWritten by Mikoli WeaverYou'll Also Like Article MEMBERS ONLY It's Complicated: Understanding oxygen in brewing Oxidation has negative connotations in all areas of brewing except one. Learn how oxygen finds its way into our beer and some of the keys to controlling it. 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.