Water Quality Parameters on the Deterioration of Concrete Fish Pond
[1]
Eze Joseph Ogugua, Department of Aquaculture and Biotechnology, National Institute for Freshwater Fisheries Research, New-Bussa, Nigeria.
[2]
Okojie Lawrence Afamefune, Department of Aquaculture and Biotechnology, National Institute for Freshwater Fisheries Research, New-Bussa, Nigeria.
[3]
Okouzi Solomon Abhulimhen, Products Development and Fisheries Engineering, National Institute for Freshwater Fisheries Research, New-Bussa, Nigeria.
Concrete structures deteriorate when subjected to different operating conditions which include harsh weather, chemicals and/or bad water quality over a long period of time. Consequently, deterioration as a result of sudden cracking of concrete fish ponds lead to excessive leakage, loss of revenue, and the relatively high sunk costs incurred during the repair. In this study, the possible effects of water quality parameters (pH, chloride and nitrate) on the deterioration of concrete fish pond were investigated for a period of nine weeks. Five samples were randomly collected from five different concrete fish ponds where cat fish (Clarias gariepinus) were stocked at three weeks interval. Three replicates test were used for each of the water parameters (pH, chloride and nitrate). Chemical concentration of chloride was determined using volumetric method while phenol disulphonic acid method was used for nitrate and pH values for the five samples were analyzed by Jenway model 3410 electrochemistry analyzer. One-way analysis of variance (ANOVA) was used to statistically establish variability between and within each parameter of the water samples in Microsoft Office Excel® 2007. The sample mean values for the water parameters (pH, chloride and nitrate) obtained were 7.27, 106.667mg/L and 0.5987mg/L respectively. The result further established that the mean values for the chemicals parameters are not up to the maximum permissible values (250mg/L for chloride and 50mg/L for nitrate) that can lead to deterioration of concrete fish pond.
PH, Chloride, Nitrate, Concrete Fish Pond, Deterioration
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