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Main components of Substral™ (Scotts Company (Nordics) A/S)) and Guillard’s f/2 marine nutrient enrichment solution (Sigma–Aldrich)
| Substral | Guillard’s f/2 | ||
|---|---|---|---|
| Component | Contents (mg mL−1) | Component | Contents (mg mL−1) |
| Nitrate | 39.24 | Sodium nitrate | 75 |
| Ammonia | 32.08 | Sodium phosphate | 4.41 |
| Phosphate | 15.44 | EDTA disodium·2H2O | 4.36 |
| Trace minerals/ | Trace amounts | Ferric chloride·6H2O | 3.15 |
| Vitamins | Trace amounts | Trace minerals/ | Trace amounts |
| Vitamins | Trace amounts | ||
