Provides simple, fast, economical method of pH measurement. Sharp color change for each 0.5 pH unit. Convenient for sample pH adjustments. Recommended for sewage water, not finished water. Five 4.6-meter (15′) rolls per package.
| Parameter | pH |
| Quantity | 5 4.6-meter (15′) rolls per package |
| Range | 9.0 – 12.0 pH units |

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