LB bacterial growth medium

also known as Luria broth, Luria-Bertani medium

• 10 g bacto tryptone
  
• 5 g bacto yeast extract
  
• 10 g NaCl
  

dissolve in 1 liter of H₂O
it is generally not necessary to adjust pH

when used for preparation of bacterial plates, add 15 g agar per liter
when used for preparation of agar stab cultures, add 7 g agar per liter

see also: BacterialAntibiotics