On the second day you shall offer a kid of the goats without blemish for a sin offering; and they shall cleanse the altar, as they cleansed it with the bull.
Ezekiel 43:22
Surrounding context
43:21 Then you shall also take the bull of the sin offering, and burn it in the appointed place of the temple, outside the sanctuary.
43:22 On the second day you shall offer a kid of the goats without blemish for a sin offering; and they shall cleanse the altar, as they cleansed it with the bull.
43:23 When you have finished cleansing it, you shall offer a young bull without blemish, and a ram from the flock without blemish.