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. (JA)
English reference (JA): Vol. 1, Book 1, Hadith 229 (JA)
Arabic reference (JA): Book 1, Hadith 230 (JA)