¹ sn The text stresses that the water in the Nile, and Nile water that had been diverted or collected for use, was polluted and undrinkable. Water underground also was from the Nile, but it had not been contaminated, certainly not with dead fish, and so would be drinkable.

² sn Judging from the way the story is told they were not far from the oasis. But God had other plans for them, to see if they would trust him wholeheartedly and obey. They did not do very well this first time, and they will have to learn how to obey. The lesson is clear: God uses adversity to test his people’s loyalty. The response to adversity must be prayer to God, for he can turn the bitter into the sweet, the bad into the good, and the prospect of death into life.