"WardsSci000549"

Use this paper to cover both the A range (2-4-6-8-10) and the B range (1-3-5-7-9-11) of the pH scale.

Test the pH scale from 0-11 in 1.0 units and from 12-14 in 0.5 units.

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 Ultimate in Wide Range, General Purpose pH Papers.

Covers Full pH Range.

See Dramatic Color Changes

Includes Color Comparison Chart.

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