| NaCl | 1.0 | g |
| MgCl2·6H2O | 0.4 | g |
| CaCl2·2H2O | 0.1 | g |
| NH4Cl | 0.25 | g |
| KH2PO4 | 2.0 | g |
| KCl | 0.5 | g |
| Yeast extract | 0.5 | g |
| Na2SO4 | 4.0 | g |
| Trace element solution (see below) | 1.0 | ml |
| Vitamin solution (see Medium No. 403) | 1.0 | ml |
| Thiamine solution (see Medium No. 403) | 1.0 | ml |
| Vitamin B12 solution (see Medium No. 403) | 1.0 | ml |
| Selenite-tungstate solution (see Medium No. 431) | 1.0 | ml |
| Sodium lactate | 2.24 | g |
| Resazurin | 1.0 | mg |
| Sodium dithionite | 0.1 | g |
| HCl (25%) | 12.5 | ml |
| FeSO4·7H2O | 2.1 | g |
| H3BO3 | 30.0 | mg |
| MnCl2·4H2O | 100.0 | mg |
| CoCl2·6H2O | 190.0 | mg |
| NiCl2·6H2O | 24.0 | mg |
| CuCl2·2H2O | 2.0 | mg |
| ZnSO4·7H2O | 144.0 | mg |
| Na2MoO4·2H2O | 36.0 | mg |
| Distilled water | 987.0 | ml |