ArticleSpecialty IPAs by the numbers OG, FG, SRM, IBU, ABV will vary. The BJCP is currently considering three strength categories: Session:3.0–5.0 ABV Standard:5.0–7.5% ABV Double:7.5–9.5% ABV When I started brewing, there was only oneAlready a member? Log InWritten by Jamil ZainasheffYou'll Also Like Article MEMBERS ONLY The Mysteries of Dark Lagers Explore the mysterious history of dark lagers; from when they were dark unintentionally to purposely, and the rise of bottom-fermented beers in Bavaria. Plus: 6 dark lager recipes. Article MEMBERS ONLY California Common Beer: Nothing to get steamed up about One of few beer styles that can call America its home is the California common. Gordon Strong traces the history, outlines the profile, and discusses the keys to nailing this style.