John 2:6

6 Nearby stood six stone water jars, the kind used by the Jews for ceremonial washing, each holding from twenty to thirty gallons.a

Read John 2:6 Using Other Translations

And there were set there six waterpots of stone, after the manner of the purifying of the Jews, containing two or three firkins apiece.
Now there were six stone water jars there for the Jewish rites of purification, each holding twenty or thirty gallons.
Standing nearby were six stone water jars, used for Jewish ceremonial washing. Each could hold twenty to thirty gallons.