"The Messenger of Allah (ﷺ) said: 'None of you should perform ghusl in standing water while he is Junub.'"
Sunan an-Nasa'i Book 4, Hadith 1
← Previous Hadith "I heard Umm Qais bint Mihsan say that she asked the Messenger of Allah (ﷺ) about menstrual blood that gets on one's clothes. He said: 'Scratch it with a stick and wash it with water and lotus leaves.'"

Sunan an-Nasa'i Book 3, Hadith 48 Next Hadith → "None of you should urinate into standing water and then perform Ghusl or Wudu' with it."

Sunan an-Nasa'i Book 4, Hadith 2