Petrus is all but an average beer - it's a real sour, with roots that date from ages ago, brewed in Belgium according to the finest brewing tradition. Despite its age, it is young at heart. Petrus is a slow, unpredictable and wild beer that takes lots of patience. aged for 2 years in oak foeders, Petrus should be enjoyed sip by sip. Petrus is intriguing, enigmatic and therefore impossible to copy. Only the master brewer fully grasps the complex brewing processes. He rules the mysterious microbiology in the oak foeders. That truly is science with a touch of magic. So why not accept that mystery, cherish the secret and embrace the experiment?