كتاب الطهارة
1  
The Book of Purification
(144)
Chapter: Mention Of How Much Water Is Sufficient For A Man To Perform Ghusl
(144)
باب ذِكْرِ الْقَدْرِ الَّذِي يَكْتَفِي بِهِ الرَّجُلُ مِنَ الْمَاءِ لِلْغُسْلِ
Sunan an-Nasa'i 228
It was narrated that 'Aishah said:
"The Messenger of Allah (ﷺ) used to perform Ghusl from a vessel which was the size of a Faraq [1] and he and I used to perform Ghusl using a single vessel." [1] Sixteen Ratls.
أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنِ ابْنِ شِهَابٍ، عَنْ عُرْوَةَ، عَنْ عَائِشَةَ، أَنَّهَا قَالَتْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَغْتَسِلُ فِي الْقَدَحِ وَهُوَ الْفَرَقُ وَكُنْتُ أَغْتَسِلُ أَنَا وَهُوَ فِي إِنَاءٍ وَاحِدٍ ‏.‏
Grade: Sahih (Darussalam)
Reference : Sunan an-Nasa'i 228
In-book reference : Book 1, Hadith 229
English translation : Vol. 1, Book 1, Hadith 229