| Date | Value |
|---|---|
| Mar 13, 2019 00:35 | 8.0 pH |
| Mar 26, 2018 21:26 | 7.7 pH |
| Mar 4, 2018 14:25 | 7.6 pH |
| Feb 4, 2018 13:05 | 7.6 pH |
| Oct 17, 2017 21:30 | 7.7 pH |
| Oct 4, 2017 21:52 | 7.7 pH |
| Sep 30, 2017 12:42 | 7.7 pH |
| Jul 9, 2017 23:00 | 7.7 pH |
| Jul 7, 2017 08:25 | 7.4 pH |
| Jun 17, 2017 23:47 | 7.4 pH |
| Jun 14, 2017 23:02 | 7.5 pH |
| May 23, 2017 20:46 | 7.9 pH |