"I heard Anas bin Malik say: 'The Messenger of Allah (ﷺ) used to perform Wudu' with a Makkuk and Ghusl with five Makkuks.'"
Sunan an-Nasa'i Book 1, Hadith 230
← Previous Hadith "The Messenger of Allah (ﷺ) used to perform Ghusl from a vessel which was the size of a Faraq and he and I used to perform Ghusl using a single vessel." Sixteen Ratls.

Sunan an-Nasa'i Book 1, Hadith 229 Next Hadith → "We argued about Ghusl in the presence of jabir in 'Abdullah, and Jabir said: 'One Sa' of water is sufficient for ghusl from Janabah.' We said: 'One Sa' is not enough and neither is two.' Jabir said: 'It was sufficient for one who was better than you and had more hair.'"

Sunan an-Nasa'i Book 1, Hadith 231