"One of the wives of the Prophet performed Ghusl with a bowl. Allah's Messenger wanted to perform Wudu with it, so she said: 'O Messenger of Allah! Indeed I am ]unub.' So he said: 'Indeed, water does not become Junub.'"
Jami` at-Tirmidhi Book 1, Hadith 65
← Previous Hadith "The Prophet forbade that a man should perform Wudu with the leftover (water) from a woman's purifcation." Or, he said: "from her drinking."

Jami` at-Tirmidhi Book 1, Hadith 64 Next Hadith → "It was said, 'O Allah's Messenger! Shall we use the water of Buda'ah well to perform ablution while it is a well in which menstruation rags, flesh of dogs and the putrid are dumped?" Allah's Messenger said: 'Indeed water is pure, nothing makes it impure.'"

Jami` at-Tirmidhi Book 1, Hadith 66