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Air temperature and relative humidity recorded across the experimentsa
| Type of experiment | Air temperature (°C) | Relative humidity (%) |
|---|---|---|
| Drain inoculation | 19.8 ± 0.2 | 31.4 ± 4.9 |
| P-trap inoculation | 19.5 ± 0.4 | 54.4 ± 11.5 |
| Drain + P-trap colonization | 19.9 ± 0.2 | 44.7 ± 20.3 |
| Control | 19.7 ± 0.2 | 46.5 ± 16.3 |
Shown are means and standard deviations.
