Parameters Stocking densities (fish/m3)
T50 T75 T100 T125
Water temperature (°C) 30.2 ± 1.1a
(26.3-31.8)
29.8 ± 1.2a
(26.4-31.6)
30.3 ± 1.6a
(26.8-31.3)
30.7 ± 1.8a
(26.6-31.8)
DO (mg/L) 6.8 ± 1.2a
(6.5-7.8)
6.6 ± 1.4a
(6.4-7.5)
6.6 ± 1.2a
(6.4-7.2)
6.5 ± 1.5a
(6.3-7.1)
Free CO2 (mg/L) 2.1 ± 0.3a
(1.8-2.6)
2.3 ± 0.3a
(2.2-2.8)
2.8 ± 0.6a
(2.4-3.2)
3.2 ± 0.8a
(2.7-3.5)
pH 6.8 ± 0.6a
(6.4-7.4)
6.8 ± 0.7a
(6.3-7.2)
6.7 ± 0.6a
(6.3-7.1)
6.6 ± 0.5a
(6.2-6.9)
Transparency (cm) 54.1 ± 1.2a
(51.4-58.4)
53.8 ± 1.5a
(50.8-57.8)
53.5 ± 1.9a
(50.6-57.6)
53.1 ± 1.6a
(50.5-57.2)
Total Hardness (mg/L) 44.6 ± 2.3a
(39.5-53.2)
43.8 ± 2.8a
(38.7-50.2)
44.4 ± 3.1a
(38.5-52.8)
43.5 ± 3.6a
(37.6-51.7)
Total Alkalinity (mg/L) 58.3 ± 3.2a
(48.4-67.4)
57.8 ± 3.8a
(47.9-66.2)
59.3 ± 3.3a
(48.3-67.3)
59.6 ± 4.1a
(48.3-67.1)
Values in each row having the same superscripts are not significantly different (P>0.05).
Table 2: Mean values (± SD) and ranges (parentheses) of water quality parameters in cages over 120 days.