It was narrated that 'Abdullah bin Jabr said:
"I heard Anas bin Malik say: 'The Messenger of Allah (ﷺ) used to perform Wudu' with a Makkuk and Ghusl with five Makkuks.'" (RU)
English reference (RU): Vol. 1, Book 1, Hadith 230 (RU)
Arabic reference (RU): Book 1, Hadith 231 (RU)