Anspach & Hobday: 'Experiment Number: II Rhubarb Sour. Berliner Weiße style meets English Rhubarb. The Berliner Weiße or Berlin White is an easy drinking sour wheat beer, a style which at one point dominated the Berlin drinking scene, in a way not dissimilar to the mastery of Porter in 19th century London. Our first tribute to this brilliant German Ale has been brewed with home grown Rhubarb. A seasonal twist. How very A&H.'