Data were subjected to factorial analysis of variance (ANOVA). Since there were no significant interactive effects, data were later subjected to one-way ANOVA followed by Least Significant Differences (LSD) test at 95% confidence level using SPSS (version 11) statistical software package (SPSS Inc., Chicago, USA). Paired t-test at 95% significance level was used to determine differences of water quality between filtered and unfiltered pond water.