| Experiment | Level of infection | |||||||
| Pre treatment | Post treatment | |||||||
| Doses (L-1) | Treatment time | Water changes | Day 0 | Day 1 | Day 3 | Day 7 | ||
| 1 | 0.1 mL formaldehyde | prolonged immersion (24 h) | No | Heavy | Medium | Light | No infection | |
| 2 | 0.2 mL formaldehyde | bath treatment (6 h) | Yes (70% - 80% day−1) | Heavy | Light | No infection | No infection | |
| 3 | 3 ppt salt water | prolonged immersion (24 h) | No | Heavy | Medium | Medium | light infection | |
| 4 | 15 ppt salt water | bath treatment (3 h) | Yes (70% - 80% day−1) | Heavy | Light | Light | No infection | |
| 5 | 30 ppt salt water | dipped in (15 - 20 minutes) | Yes (100% day−1) | Heavy | No infection | No infection | No infection | |
| 6 | control | No treatment | No | Heavy | Heavy | Medium | Heavy | |