Exodus 7:19-20

KJV_Strongs(i)
  19 H3068 And the LORD H559 spake [H8799]   H4872 unto Moses H559 , Say [H8798]   H175 unto Aaron H3947 , Take [H8798]   H4294 thy rod H5186 , and stretch out [H8798]   H3027 thine hand H4325 upon the waters H4714 of Egypt H5104 , upon their streams H2975 , upon their rivers H98 , and upon their ponds H4723 , and upon all their pools H4325 of water H1818 , that they may become blood H1818 ; and that there may be blood H776 throughout all the land H4714 of Egypt H6086 , both in vessels of wood H68 , and in vessels of stone.
  20 H4872 And Moses H175 and Aaron H6213 did [H8799]   H3068 so, as the LORD H6680 commanded [H8765]   H7311 ; and he lifted up [H8686]   H4294 the rod H5221 , and smote [H8686]   H4325 the waters H2975 that were in the river H5869 , in the sight H6547 of Pharaoh H5869 , and in the sight H5650 of his servants H4325 ; and all the waters H2975 that were in the river H2015 were turned [H8735]   H1818 to blood.