Sahih al-Bukhari, Hadith 5956 ⓘ
Aisha added: The Prophet and I used to take a bath from one container (of water).
وَكُنْتُ أَغْتَسِلُ أَنَا وَالنَّبِيُّ، صلى الله عليه وسلم مِنْ إِنَاءٍ وَاحِدٍ.
also referenced under: Book 77, Hadith 172 (In-Book) & Volume 7, Book 72, Hadith 839 (USC-MSA)