# 514c: REACTIVATION WITH LIQUID MEDIUM 514 ## Main sol. 514c 1000 ml **514. BACTO MARINE BROTH (DIFCO 2216)** 1. Rehydrate and grow lyophilized cells from the ampoule in 5 ml liquid medium 514. Subsequent subculturing may be carried out in liquid medium or on agar plates. ## 514. BACTO MARINE BROTH (DIFCO 2216) 5 g Bacto peptone 1 g Yeast extract (Bacto ) 0.1 g Fe(III) citrate 19.45 g NaCl 5.9 g MgCl2 (dried) 3.24 g Na2SO4 1.8 g CaCl2 0.55 g KCl 0.16 g Na2CO3 0.08 g KBr 34 mg SrCl2 22 mg H3BO3 4 mg Na-silicate 2.4 mg NaF 1.6 mg (NH4)NO3 8 mg Na2HPO4 18 g Agar 1000 ml Distilled water 1. Final pH should be 7.6 ± 0.2 at 25°C. If using the complete medium from Difco add 37.4 g to 1 litre water.