The Book of Drinks (Kitab Al-Ashriba)
Muslim :: Book 23 : Hadith 4941
Muharib b. Dithar reported: I heard Ibn 'Umar say: Allah's Messenger (may peace be upon him) forbade (the preparation of Nabidh) in a pitcher besmeared with pitch, in gourd, in varnished jar. He said, I heard it from him more than once.