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Mean (±SD) temperature and pH in aquaria 1 and 2 of each food experiment. N, number of measurements.
| Experiment | Aquarium | Temperature (°C) | N | pH | N |
|---|---|---|---|---|---|
| 1 | 1 | 25.0 (0.1) | 4 | 7.96 (0.37) | 4 |
| 2 | 25.1 (0.1) | 4 | 7.95 (0.41) | 4 | |
| 2 | 1 | 21.9 (0.3) | 4 | 7.77 (0.09) | 6 |
| 2 | 21.9 (0.4) | 4 | 7.82 (0.08) | 6 |
