2 Kings 2:14

2:14 He took the cloak that had fallen off Elijah, hit the water with it, and said, “Where is the Lord, the God of Elijah?” When he hit the water, it divided and Elisha crossed over.

2 Kings 2:21

2:21 He went out to the spring and threw the salt in. Then he said, “This is what the Lord says, ‘I have purified this water. It will no longer cause death or fail to produce crops.”