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Table T4. Composition of basic media for methanogens and other H2-oxidizers (per liter).

Component Methanogens Other
H2-oxidizers
NaCl 20 g 20 g
K2HPO4 0.09 g 0.09 g
KH2PO4 0.07 g 0.07 g
CaCl2 0.8 g 0.8 g
MgSO4·7H2O 6 g 3.4 g
MgCl2·6H2O 1 g 4.2 g
KCl 0.33 g 0.33 g
FeSO4 0.05 g 0.02 g
Fe(NH4)2(SO4)2·6H2O 0.01 g —
NiCl2·6H2O 5 mg 0.5 mg
Na2SeO3·5H2O 5 mg 0.5 mg
Na2WO4·2H2O 2 mg 0.5 mg
Trace mineral solution 10 mL 10 mL
Marine trace elements solution 30 mL —

— = not applicable.

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