Numbers 19:12

He must purify himself with the water on the third day and on the seventh day; then he will be clean. But if he does not purify himself on the third and seventh days, he will not be clean.
BSB · Berean Standard Bible
He shall purify himself with it on the third day, and on the seventh day he shall be clean: but if he purify not himself the third day, then the seventh day he shall not be clean.
KJV · King James Version
He shall purify himself with water on the third day, and on the seventh day he shall be clean; but if he doesn’t purify himself the third day, then the seventh day he shall not be clean.
WEB · World English Bible
the same shall purify himself therewith on the third day, and on the seventh day he shall be clean: but if he purify not himself the third day, then the seventh day he shall not be clean.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

Numbers 19:12
He shall purify."Yithchatta," literally, "he shall sin himself," i.e., not add sin, but take it away, purify. So we say to fleece, and to skin, which do not signify to add a fleece, or a skin, but to take one away.
Numbers 19:17, 18; Psalm 51:7; Ezekiel 36:25; Acts 15:9; Revelation 7:14
third day
Numbers 31:19; Exodus 19:11, 15; Leviticus 7:17; Hosea 6:2; 1 Corinthians 15:3, 4