Home Learn Double magnum Decanter Staff November 11, 2010 Bottle of 3 litres equivalent to 4 normal (75cl) bottles. In Champagne this size is called jeroboam. Written by Latest Wine News Pernod Ricard to acquire 280-hectare Provence estate Researchers identify the cause of rotten egg smell in canned wine Sonoma Coast: 2021 vintage report and 2022 preview