# 750: MEDIUM FOR MARINE METHYLOTROPHS ## Main sol. 750 7 g Beef extract 10 g Peptone 25 g NaCl 1 g K2HPO4 1 g (NH4)2SO4 20 g Agar 1000 ml Distilled water 10 ml Methanol 1. pH 7.0 2. After sterilisation, cool to 50°C and add 10 ml methanol.