(NH4)2SO4...........................1.3 g
KH2PO4 .............................0.28 g
MgSO4 . 7H2O .......................0.25 g
CaCl2 . 2H2O .......................0.07 g
FeCl3 . 6H2O .......................0.02 g
MnCl2 . 4H2O .......................1.8 mg
Na2B4O7.............................4.5 mg
ZnSO4 . 7H2O .......................0.22 mg
CuCl2 . 2H2O .......................0.05 mg
Na2MoO4 . 2H2O......................0.03 mg
VOSO4 . 2H2O .......................0.03 mg
CoSO4 ..............................0.01 mg
Tryptone (BD 211705)...............1.0 g
Yeast extract......................0.05 g
Distilled water....................1.0 L
Adjust to pH 3.0 with H2SO4. Filter-sterilize medium