| Date | Value |
|---|---|
| Feb 21, 2016 19:16 | 8.2 pH |
| Feb 7, 2016 20:49 | 8.2 pH |
| Jul 30, 2013 21:23 | 8.5 pH |
| Jun 12, 2013 23:26 | 8.5 pH |
| Mar 23, 2013 20:20 | 8.19 pH |
| Feb 6, 2013 22:16 | 8.1 pH |
| Jan 24, 2013 19:55 | 8.1 pH |
| Dec 6, 2012 20:00 | 8.2 pH |
| Nov 14, 2012 21:18 | 8.2 pH |
| Nov 9, 2012 00:00 | 8.2 pH |
| Nov 5, 2012 20:14 | 8.1 pH |