Numbers 5:23 (BSB)

And the priest shall write these curses on a scroll and wash them off into the bitter water.

From Numbers 5. Also in the ESV.

Commentary on Numbers 5:23

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Numbers 5:11-31: We have here the law concerning the solemn trial of a wife whose husband was jealous of her. Observe, I. What was the case supposed: That a man had some reason to suspect his wife to have committed adultery, Num 5:12-14. Here, 1. The sin of adultery is justly represented as an exceedingly sinful sin; it is going aside from God and virtue, and the good way, Pro 2:17.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Numbers 5:23: And the priest shall write these curses in a book,.... The above curses imprecated on herself by an oath; the words and the letters of them were written at length, in a scroll of parchment; and, as some say also, her name, but not her double amen to them (y): and he shall blot them out with the bitter water: wash them out with it...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Numbers 5:23: write these curses in a book--The imprecations, along with her name, were inscribed in some kind of record--on parchment, or more probably on a wooden tablet. blot them out with the bitter water--If she were innocent, they could be easily erased, and were perfectly harmless; but if guilty, she would experience the fatal effects of the water she had drunk.
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on Numbers 5:23: And the priest shall write these curses in a book, and he shall blot [them] out with the bitter water: (m) Shall wash the curses, which are written, into the water in the vessel.