463 SALTWATER MEDIUM WITH ACETATE AND FERRIC CITRATE
Use JCM Medium No. 462 without Na2S·9H2O, and with 20 mM sodium acetate and 30 mM ferric citrate instead of sodium lactate. Reduce the medium with 0.5 g/L L-cysteine·HCl (5% solution, autoclaved and stored under N2).