Silver: B plates

B Plates (per L)
 * In 2L flask:
 * 6.7 g bacto yeast extract (w/o amino acids)
 * 20g agar
 * 900 mL H2O
 * Autoclave, and also autoclave a stir bar in a separate beaker
 * Add stir bar and 100 mL of 20% glucose.
 * Stir until warm to the touch, and pour plates.