Yopp Medium


NaCl 116.9 g
MgSO4 7H2O 10 g
MgCl2 6H2O 10.68 g
KCl 2 g
CaCl2 2H2O 0.5 g
Ca(NO3)2 4H2O 1 g
KH2PO4 50 mg
Ferric EDTA* 5 mg
Trace metals solution 1.0 ml
Deionized water to 1.0 L

*acid 10% Fe
pH adjusted to 7.8 with NaOH before autoclaving.

Trace metals solution:
HCl (conc.) 3.0 ml
H3BO3 0.5 g
MnCl2 4H2O 2 g
ZnNO3 6H2O 0.5 g
NaMoO4 2H2O 0.025 g
CuCl2 2H2O 0.025 g
Co(NO3)2 6H2O 0.025 g
VOSO4 6H2O 0.025 g



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