# J686: JCM MEDIUM No. 686 ## Main sol. J686 1 g Sodium succinate 10 g Bacto peptone (BD-Difco) 1 g (NH4)2SO4 1 g MgSO4 x 7 H2O 2 mg MnSO4 x n H2O 2 mg FeCl3 x 6 H2O 15 g Agar 1000 ml Distilled water 1. Adjust pH to 7.0 with KOH.