The medium contained 2.5 mg/L of CoCl2$6H2O, 0.05 mg/L
of NaMoO4$2H2O, 0.25 mg/L of NiCl2$6H2O, 0.5 mg/L of
MnCl2$4H2O, 0.25 mg/L of Na2SeO4, 0.25 mg/L of H3BO4,
0.05 mg/L of NaVO3$4H2O, 0.25 mg/L of ZnCl2, 0.15 mg/L of
CuCl2, 150 mg/L of CaCl2, 200 mg/L of MgCl2$6H2O and
150 mg/L of Na2SO4