Trypton 10 g Synthetic sea water 1000 ml Synthetic sea water: NaCl 24 g MgCl.6H2O 11 g Na2SO4 4 g CaCl2.6H2O 2 g KCl 0.7 g KBr 0.1 g H3BO3 0.03 g NaSiO3.9H2O 5 mg SrCl.6H2O 0.04 g NaF 3 g NH4NO3 2 g Fe3PO4.4H2O 1 g Distilled water 1000 ml Adjust pH to 7.8. Sterilized at 121°C for 15 min.