Sunan an-Nasa'i 221
سنن النسائي#221Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ يَزِيدَ الْمُقْرِئُ، عَنْ سُفْيَانَ، عَنْ أَبِي الزِّنَادِ، عَنْ مُوسَى بْنِ أَبِي عُثْمَانَ، عَنْ أَبِيهِ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " لاَ يَبُولَنَّ أَحَدُكُمْ فِي الْمَاءِ الرَّاكِدِ ثُمَّ يَغْتَسِلُ مِنْهُ " .
It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:"None of you should urinate into still water and then perform Ghusl from it
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 1:222