Leviticus 15:13
And when a man who has a flow from his body is made clean from it, he is to take seven days to make himself clean, washing his clothing and bathing his body in flowing water, and then he will be clean.And when a man who has a flow from his body is made clean from it, he is to take seven days to make himself clean, washing his clothing and bathing his body in flowing water, and then he will be clean.