| Media | Time (Hrs) | Effect on film | ||
| 40% | 50% | 60% | ||
| Distilled water | 7 | N | N | N |
| 18 | N | N | N | |
| 0.1M NaOH | 7 | W | W | W |
| 18 | R | R | R | |
| 0.1M H2SO4 | 7 | N | N | N |
| 18 | S | S | S | |
| 5% w/v NaCl | 7 | N | N | N |
| 18 | N | N | N | |