Table 1: pH results of samples of water used for this study as indicated with the sample code.
| Sample Code | pH |
| A | 6.5 |
| B | 6.5 |
| C | 6.5 |
| D | 6.5 |
| E | 7.5 |
| F | 7 |
| G | 6.5 |
| H | 6.5 |
| I | 7 |
| J | 6.5 |
| K | 7.5 |
| L | 6.5 |
NB: Based on the analysis shown in Table 1, samples analyzed had pH ranging from 6.5 to 7.5.