Table 2. Water quality parameters of each treatment reservoir throughout the experiment (mean ± SD, p < 0.05)
| Parameter | Seawater | Mixed water | Biofloc water |
| WT (°C) | 28.8 ± 0.6 | 28.7 ± 0.9 | 28.8 ± 1.0 |
| Salinity (psu) | 31.7 ± 0.1a | 31.4 ± 1.0a | 29.9 ± 0.4b |
| pH | 8.7 ± 0.1a | 8.3 ± 0.1a | 7.8 ± 0.1b |
| DO (mg/L) | 5.7 ± 0.4 | 5.6 ± 0.3 | 5.5 ± 0.3 |
| TA-N (mg/L) | 0.02 ± 0.02a | 0.43 ± 0.05b | 0.50 ± 0.08c |
| NO2-N (mg/L) | 0.00 ± 0.00a | 1.44 ± 0.09b | 3.32 ± 3.42c |
| NO3-N (mg/L) | 0.09 ± 0.06a | 65.39 ± 4.30b | 263.4 ± 13.99c |
| Alkalinity | 144 ± 20.92 | 144.5 ± 17.7 | 145 ± 14.5 |
| TSS (mg/L) | 15.7 ± 4.12a | 118.3 ± 87.9b | 486.6 ± 137.1c |
| VSS (mg/L) | 7.3 ± 2.37a | 98.8 ± 16.8b | 377.6 ± 44.1c |
Different letters indicate a significant difference between clear seawater, mixed and biofloc treatments.
WT, water temperature; DO, dissolved oxygen; TA-N, total ammonia-nitrogen; NO2-N, nitrite-nitrogen; NO3-N, nitrate-nitrogen; TSS, total suspended solids; VSS, volatile suspended solids.