Indicator Powder Pillows is required for pH indication in water and other liquids.
Bromothymol blue (BMB) is an indicator dye that turns yellow in the presence of acid. It is mostly used in applications that require measuring substances that would have a relatively neutral pH (near 7). Each pack of 2067299 contains 100 individually sealed Powder Pillows. The visual transition interval is pH 6.0 (yellow) - pH 7.6 (blue).
| Brand | Hach |
| Parameter | pH |
| Quantity | 100/pk |
