the Prophet performed ablution with the water left over after she had taken a bath to cleanse herself from sexual impurity.
Sunan Ibn Majah Book 1, Hadith 106
← Previous Hadith One of the wives of the Prophet took a bath to cleanse herself from sexual impurity, then the Prophet performed ablution and had a bath with the water left over from her ablution."

Sunan Ibn Majah Book 1, Hadith 105 Next Hadith → The Messenger of Allah forbade men to perform ablution with the left over water by a woman.

Sunan Ibn Majah Book 1, Hadith 107