Sayyiduna Ibn Abbas (may Allah be pleased with them both) was asked about (making nabidh in) earthenware jars, and he said: The first tribe to ask the Messenger of Allah (peace and blessings be upon him) about nabidh was Abd al-Qays. They came to him (peace and blessings be upon him) and said: O Messenger of Allah, we live in a green, fertile land, and we get (an abundance of) vegetables, so instruct us about a drink. He (peace and blessings be upon him) said: "Make nabidh in waterskins; do not make it in earthenware jars, nor in gourd vessels, nor in pitch-coated vessels, nor in vessels hollowed from palm trunks, for I have been forbidden wine, gambling and the kubah (that is, the drum), and every intoxicant is unlawful." The Companions said: O Messenger of Allah, then when it becomes strong (what should we do)? He (peace and blessings be upon him) said: "Pour water on it." They said: O Messenger of Allah, then when it becomes strong (again)? He (peace and blessings be upon him) said: "Pour water on it." The narrator said: The third or fourth time, he said: "When it becomes strong, pour it away."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 12545