P |
| pH indicator strips pH 0 - 1.5, 100 strips (non-bleeding) |
| pH indicator strips pH 0 - 2.5, 100 strips (non-bleeding) |
| pH indicator strips pH 0 - 6.0, 100 strips (non-bleeding) |
| pH indicator strips pH 11.0 - 13.0, 100 strips (non-bleeding) |
| pH indicator strips pH 2.0 - 9.0, 100 strips (non-bleeding) |
| pH indicator strips pH 2.5 - 4.5, 100 strips (non-bleeding) |
| pH indicator strips pH 4.0 - 10.0, 100 strips (non-bleeding) |
| pH indicator strips pH 4.0 - 7.5, 100 strips (non-bleeding) |
| pH indicator strips pH 5.0 - 9.0, 100 strips (non-bleeding) |
| pH indicator strips pH 6.5 - 10.0, 100 strips (non-bleeding) |
| pH indicator strips pH 7.0 - 14.0, 100 strips (non-bleeding) |
| Phenolphthalein Paper, 10 books per pack |
