| Date | Value |
|---|---|
| Jul 3, 2016 07:54 | 7.5 pH |
| Jun 18, 2016 14:24 | 8.0 pH |
| Jun 9, 2016 07:21 | 7.7 pH |
| Jun 5, 2016 10:20 | 7.7 pH |
| Jun 4, 2016 12:24 | 7.7 pH |
| Jun 1, 2016 16:57 | 8.0 pH |
| May 30, 2016 16:32 | 7.8 pH |
| May 29, 2016 12:47 | 7.7 pH |
| May 25, 2016 16:20 | 8.0 pH |
| Apr 8, 2016 04:30 | 8.4 pH |