ATCC medium: 1763 YM-catalase agar
Yeast extract......................5.0 g
Malt extract.......................5.0 g
K2HPO4 .............................5.74 g
MgSO4 . 7H2O .....................205.0 mg
NH4H2PO4............................1.15 g
Catalase..........................60.0 mg
Agar..............................15.0 g
Distilled water....................1.0 L
Filter-sterilize catalase and MgSO4 separately. Autoclave remainder of medium at 121C for 15 minutes.