Sayyiduna Anas bin Malik (may Allah be pleased with him) narrates: "The Prophet (peace and blessings be upon him) used to perform ablution (wudu) with one mudd of water and take a ritual bath (ghusl) with one sa' of water."
Imam al-Tabarani (may Allah have mercy on him) said: "No one narrated this hadith from al-Mughirah bint Hassan except Zayd bin al-Hubab."
Hadith Referenceالمعجم الأوسط / باب العين / 3974
Hadith Takhrij«أخرجه الدارقطني فى «سننه» برقم: 314، 2138، 2139، والبزار فى «مسنده» برقم: 7200، والطبراني فى «الأوسط» برقم: 922»