| Date | Value |
|---|---|
| Apr 8, 2018 05:42 | 7.82 pH |
| Apr 5, 2018 04:22 | 7.85 pH |
| Apr 4, 2018 16:43 | 7.89 pH |
| Mar 11, 2018 09:57 | 8.0 pH |
| Feb 19, 2018 15:48 | 7.8 pH |
| Feb 11, 2018 12:32 | 8.4 pH |
| Jan 31, 2018 09:58 | 8.4 pH |
| Jan 28, 2018 11:13 | 8.2 pH |
| Jan 25, 2018 12:02 | 8.2 pH |
| Jan 13, 2018 11:37 | 8.2 pH |
| Jan 3, 2018 14:53 | 8.2 pH |
| Dec 23, 2017 11:07 | 8.2 pH |
| Dec 23, 2017 10:28 | 7.6 pH |