ATCC medium: 1503 Leptothrix 2X PYG medium
Peptone................0.5 g
Yeast extract..........0.5 g
Glucose................0.5 g
MgSO4 . 7H2O ...........0.6 g
CaCl2 . 2H2O ...........0.07 g
HEPES..................3.57 g
MnSO4 . H2O ...........17.0 mg
Distilled water........1.0 L
Adjust medium for final pH 7.3 with NaOH. Autoclave medium at 121C for 15 minutes.