The Book of Drinks (Kitab Al-Ashriba)

Muslim :: Book 23 : Hadith 4926

Ibn Abbas reported that Allah's Messenger (may peace be upon him) forbade, the preparation of Nabidh in gourd, in varnished jar, hollow stump and from mixing up ripe dates with nearly ripe dates.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star