Tank
PH
DO (mg/l)
Free CO
2
(mg/l)
Alkalinity (mg/l)
Water temp (°C)
A
7.1-7.3
10.2-11.6
2.2- 3.52
52-57
27- 29
B
7.1-7.3
7.6- 8.7
4.4- 4.9
48-53
27- 29
Happa (Av.)
7.4
7.7
4.5
48
25
Table 1:
Limnological parameters of breeding tanks and hatching happa.
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