THIOBACILLUS FERROXIDANS MEDIUM WITH FERRUS SULFAT

KH₂PO₄                0.4 g

MgSO₄.7H₂O       0.4 g

(NH4)₂SO₄           0.4 g

FeSO₄.7H₂O       33.3 g

0.1 N H₂SO₄   1000.0 ml

Adjust pH to 1.4 with sulfuric acid.