Sunan an-Nasa'i 220
سنن النسائي#220SahihAbu Hurairah said:"The Messenger of Allah (ﷺ) said: 'None of you should perform Ghusl in standing water when he is Junub
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 1:221