It is narrated from Sayyiduna Jabir (may Allah be pleased with him) that nabidh used to be prepared for the Prophet (peace and blessings be upon him) in a waterskin, and if there was no waterskin, then it would be prepared in a stone pot.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 14499