Table 1.
Average value (n = 3) and standard deviation of the physico-chemical parameters analysed in the bulk water samples during the 28 days of growth phase
| Sampling day | pH | T (°C) | Fe (μg l−1) | Mn (μg l−1) | Free Chlorine (mg l−1) |
|---|---|---|---|---|---|
| 0 | 7·77 ± 0·05 | 15·93 ± 0·11 | 22·0 ± 0·00 | 2·1 ± 0·00 | 0·44 ± 0·00 |
| 7 | 7·14 ± 0·00 | 16·20 ± 0·00 | 18·7 ± 0·58 | 2·1 ± 0·00 | 0·10 ± 0·02 |
| 14 | 7·43 ± 0·02 | 16·07 ± 0·05 | 19·7 ± 1·15 | 2·3 ± 0·11 | * |
| 21 | 8·28 ± 0·00 | 16·27 ± 0·11 | 24·0 ± 2·65 | 2·9 ± 0·70 | 0·11 ± 0·01 |
| 28 | 7·30 ± 0·10 | 16·03 ± 0·05 | 19·0 ± 0·00 | 2·9 ± 0·06 | 0·17 ± 0·03 |
*
Below detection.