Exodus 9:6-8

Revised Standard Version

⁶ And on the morrow the Lord did this thing; all the cattle of the Egyptians died, but of the cattle of the people of Israel not one died. ⁷ And Pharaoh sent, and behold, not one of the cattle of the Israelites was dead. But the heart of Pharaoh was hardened, and he did not let the people go.

The Sixth Plague: Boils

⁸ And the Lord said to Moses and Aaron, “Take handfuls of ashes from the kiln, and let Moses throw them toward heaven in the sight of Pharaoh.