Numbers 5:17
Then he is to take some holy water in a clay jar and put some of the dust from the tabernacle floor into the water.
Berean Standard Bible
And the priest shall take holy water in an earthen vessel; and of the dust that is in the floor of the tabernacle the priest shall take, and put it into the water:
The priest shall take holy water in an earthen vessel; and the priest shall take some of the dust that is on the floor of the tabernacle and put it into the water.