Parallel
Exodus 9:10
Brenton's English Septuagint · Berean Standard Bible
So he took of the ashes of the furnace before Pharao, and Moses scattered it toward heaven, and it became sore blains breaking forth both on men and on beasts.
So they took soot from the furnace and stood before Pharaoh. Moses tossed it into the air, and festering boils broke out on man and beast.