The chromium(III) atom in the title salt, [Cr(H(2)O)(6)](C(8)H(2)NO(6))·2H(2)O, has an octa-hedral coordination geometry. In the crystal, the cation, anion and uncoordinated water mol-ecules, both of which are disordered over two positions in a 1:1 ratio, are linked by O-H⋯O hydrogen bonds.