BG11 Medium Composition

ReagentsPer Liter
NaNO^31.5 g
K2HPO4 * 3H2O0.004 g
MgSO4 * 7H2O0.075 g
CaCl2 * 2H2O0.027 g
Citric acid (C6H8O7)0.006 g
Ammonium ferric citrate (C6H8O7 * nFe * nNH3)0.006 g
EDTANa2Mg0.001 g
Na2Co30.02 g
Microelement stock solution1 ml
Microelement stock solution
H3BO32.860 g
MnCl2 * 4H2O1.810 g
ZnSO4 * 7H2O0.222 g
Na2MoO4 * 2H2O0.390 g
CuSO4 * 5H2O0.079 g
Co(NO3)2 * 6H2O0.0494 g
ph = 7.4
^To be omitted for N2-fixing cynobacteria