Chapter on Water and Its Rules, and What is Permissible and Impermissible for Purification

As for what was narrated by Ali ibn al-Hasan, from Ayyub ibn Nuh, from Safwan ibn Yahya, from Mansur ibn Hazim, from ‘Anbasah ibn Mus‘ab, from Abu Abdullah عليه السلام, who said: Imam عليه السلام said: "The leftover water (su’r) of a menstruating woman can be drunk from, but it is not used for Wudu' (ablution)."