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 that waterskin was not available, it would be prepared in a stone pot.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 14289