Chapter on Purifying Water From Impurities

The Shaykh (Al-Mufid), may Allah سبحانه وتعالى support him, narrated to me from Ahmad ibn Muhammad, from his father, from Sa‘d ibn Abdullah, from Ahmad ibn Muhammad, from Ali ibn al-Hakam, from Uthman ibn Abdul-Malik, from Abu Sa‘id al-Mukari: Abu Abdullah عليه السلام said: “If a mouse falls into a well and decomposes, draw seven buckets from it.”