NH4Cl 1.1 g MgSO4.7H2O 0.2 g FeSO4.7H2O 0.05 g CaCl.2H2O 0.02 g Trypton 2 g Solution* 1 ml Agar 18 g Destilled water 1000 ml *Solution MnSO4.4H2O 0.043 g H3BO3 0.057 g ZnSO4.7H2O 0.043 g (NH4)6Mo7O24.4H2O 0.037 g Co(NO3)2.6H2O 0.025 g CuSO4.5H2O 0.04 g Destiled water 1000 ml pH 7.0 - 7.2 Sterilyze at 121°C for 15 min.