21 Then he went out to the spring and threw the salt into it, saying, “This is what the LORD says: ‘I have healed this water. Never again will it cause death or make the land unproductive.’ ”

Read 2 Kings 2:21 Using Other Translations

And he went forth unto the spring of the waters, and cast the salt in there, and said, Thus saith the LORD, I have healed these waters; there shall not be from thence any more death or barren land.
Then he went to the spring of water and threw salt in it and said, "Thus says the LORD, I have healed this water; from now on neither death nor miscarriage shall come from it."
Then he went out to the spring that supplied the town with water and threw the salt into it. And he said, “This is what the LORD says: I have purified this water. It will no longer cause death or infertility. ”