Water turning to blood was the first plague we saw in Exodus 7. In this chapter we will see plagues two, three and four. We said the plagues would gradually get worse. Beginning with the plague of flies only the Egyptians are affected, no one in the land of Goshen.

Exodus 8

The Lord spoke to Moses “Go to Pharaoh and say to him ‘This is what the LORD says, “Let my people go, that they may serve me.