# 969: SULFOBACILLUS MEDIUM ## Main sol. 969 1.3 g (NH4)2SO4 0.28 g KH2PO4 0.25 g MgSO4 x 7 H2O 0.07 g CaCl2 x 2 H2O 0.2 g Yeast extract 14 g FeSO4 x 7 H2O 0.1 g Na-tetrathionate 1000 ml Distilled water 1. pH should be 1.8.