Ca(NO)2·4H2O 0.001 M
KCl 0.0087 M
KH2PO4 0.00008 M
KNO3 0.0008 M
MgSO4·7H2O 0.00015 M
Ferric tartrate 1 µg/ml
Glucose 2%
Agar 2.5%