"serv Dial Sud & sars"

Provides a simple, fast, economical method of pH measurement

The indicator on these strips won’t contaminate the solutions the strips are testing.

The Ultimate in Wide Range, General Purpose pH Papers.

Includes Color Comparison Chart.

Use Hydrion A to test in the range of 2-4-6-8-10 and Hydrion B for the range of 1-3-5-7-9-11. Both strips let you test the pH scale in 2.0 units.
Includes: color chart.

Pocket sized vials for pH testing.