(1) باب ذِكْرِ نَهْىِ الْجُنُبِ عَنْ الاِغْتِسَالِ، فِي الْمَاءِ الدَّائِمِ
It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:
"None of you should urinate into standing water and then perform Ghusl or Wudu' with it."
Reference: Sunan an-Nasa'i 397
In-book reference: Book 4, Hadith 2
English translation: Vol. 1, Book 4, Hadith 397