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MICs of salts for biofilm formation
| Supplementing salt | Concn (mg/ml) in normal mediuma | MIC (mg/ml) | Ratio of MIC/concn in normal medium |
|---|---|---|---|
| NH4Cl | 1 | 10 | 10 |
| Na2HPO4 | 10 | 10 | 1 |
| (NH4)+H2PO4 | 5 | 5 | 1 |
| CaCl2 | 0.01 | 5 | 500 |
| MgCl2 | 0.02 | 0.018 | 1 |
| FeCl3 | 0.014 | 0.28 | 20 |
| SO4Na2 | 5 | 10 | 2 |
Minimum concentration required in a medium for heterotrophic bacteria.
