| Time from experiment start (days) | Organic substrates (g∙L−1) | Biocide addition (ppm) |
| 1 | 13.0 | - |
| 7 | 1.12 | - |
| 15 | 0.14 | - |
| 28 | 0.03 | - |
| 42 | 0.003 | - |
| 49 | 1.12 | - |
| 61 | 1.12 | 2000 |
| 64 | 1.12 | 4000 |