(NH4)2SO4 1.00 g MgSO4 x 7 H2O 0.20 g NaH2PO4 x H2O 0.50 g K2HPO4 1.55 g Trace element solution 0.20 ml (see medium 69) Methylamine hydrochloride 3.40 g Agar 15.00 g Distilled water 1000.00 ml Adjust pH to 7.2. For liquid medium use only 0.7 g of methylamine hydrochloride per liter.