pH Level

Stocking density  (individuals.m-2)

30

40

50

60

70

Highest

8.42

8.15

7.91

7.95

7.96

Lowest

6.74

6.74

6.31

6.42

6.52

Beginning

7.74

7.87

7.91

7.95

7.96

End

7.72

7.81

7.83

7.71

7.68
Table 7: pH level obtained at five different stocking densities during 60 days culture period.
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