Tank PH DO (mg/l) Free CO2 (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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