The pH 5 - 9 test strip is a narrow range strip and is ideal for weak solutions, such as alkaline or rain water, measuring in steps of 1.0 pH units.
- Rapid test results
- Distinct color changes for easier reading and more accurate results
To use, simply dip one strip into the test solution and remove. Shake off any excess liquid. Immediately compare to the color chart for results.
Packaging: Test strips are packaged in a clear, resealable 3×4" bag.