1003 ACIDIC HB-1 MEDIUM
Use Medium No. 744. Before autoclaving, adjust pH of the medium to 5.5. After autoclaving, add per liter the following solutions aseptically and anaerobically from anaerobic stocks:| 10% KNO3 solution | 20.0 | ml |
| 20% MES (pH 5.5) solution | 25.0 | ml |
| 3% Na2S·9H2O solution (neutralized) | 4.0 | ml |