590 A-MMX MEDIUM
| Synthetic seawater (2 x, see Medium No. 244) | 125.0 | ml |
| CaCl2·2H2O | 0.19 | g |
| NaCl | 113.0 | g |
| KH2PO4 | 0.5 | g |
| Yeast extract | 0.2 | g |
| Peptone | 0.2 | g |
| Resazurin | 1.0 | mg |
| Na2S·9H2O | 0.5 | g |
| Starch solution (see below) | 100.0 | ml |
| Distilled water | 775.0 | ml |
| Soluble starch | 5.0 | g |
| Distilled water | 100.0 | ml |