| Date | Value |
|---|---|
| Aug 22, 2019 17:48 | 8.06 pH |
| Aug 15, 2019 12:30 | 8.16 pH |
| Jul 20, 2019 16:10 | 8.1 pH |
| Jul 14, 2019 18:39 | 8.28 pH |
| Jun 21, 2019 14:02 | 7.88 pH |
| Jun 15, 2019 16:07 | 8.23 pH |
| Jun 2, 2019 19:09 | 8.36 pH |
| May 17, 2019 17:18 | 8.26 pH |
| May 14, 2019 17:06 | 8.26 pH |
| Apr 6, 2019 17:01 | 8.39 pH |
| Mar 24, 2019 18:04 | 8.38 pH |