pH Indicator Papers and Test Strips

No Color Chart Necessary.

Genetic Test Paper

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.

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

Includes Color Comparison Chart.

The Ultimate in Wide Range, General Purpose pH Papers.

Works Directly on a Soil Sample, Eliminating the Need for a Soil Extract

These litmus test sheets are available in litmus red (ACS) or litmus blue (ACS).

Ideal for classroom use, this general purpose pH paper provides a distinct color match for each pH unit from 1 to 14.

Pocket-sized, lightweight vial containing blue litmus test strips. No color chart necessary.