The water quality during the study period remained in the following ranges: pH, 7.42 ± 0.21 to 7.52 ± 0.20; alkalinity, 135.25 ± 9.56 to 140.25 ± 3.45 ppm;dissolved oxygen, 4.7 ± 0.5 to 5.6 ± 0.4 ppm and total ammonia, 0.27 ± 0.05 to 0.36 ± 0.03 ppm.