Ask the expert – kölsch in UK

There is no specialist maker of kölsch yet, but several UK breweries have had a good try.   Kölsch is a style of beer created around Köln (Cologne) in the northern Rhineland of north-western Germany, in the early 20th century, to fit with the new stipulations of beer purity adopting after the First World War, as part of unifying regulations across Germany....