SOB:
2% Vegetable peptone (or Tryptone) 
0.5% Yeast extract
10 mM NaCl 
2.5 mM KCl 
10 mM MgCl₂
10 mM MgSO₄

SOC:
SOB + 20 mM Glucose

LB agar:
1% Tryptone 
0.5% Yeast Extract
0.17 M NaCl
1.5% Agar