7 Pharaoh sent, and there was not one of the livestock of the children of Israel dead. And the heart of Pharaoh was hardened, so that he did not let the people go.
8 Then the Lord said to Moses and to Aaron, “Take for yourselves handfuls of ashes from a kiln, and let Moses toss it toward the heavens in the sight of Pharaoh.
9 It shall become fine dust over all the land of Egypt and shall be a boil breaking forth with blisters upon man and beast, throughout all the land of Egypt.”
10 So they took the ashes from a kiln and stood before Pharaoh. Then Moses tossed it up toward the heavens, and it became a boil breaking forth with blisters upon man and beast.
11 The magicians could not stand before Moses because of the boils, for the boils were upon the magicians and upon all the Egyptians.
12 Moreover, the Lord hardened the heart of Pharaoh, so that he did not listen to them, just as the Lord had spoken to Moses.
13 Then the Lord said to Moses, “Rise up early in the morning, and stand before Pharaoh, and say to him, ‘Thus says the Lord, the God of the Hebrews: Let My people go, so that they may serve Me.