"bouteille de gaz"

See Dramatic Color Changes

Pocket sized vials for pH testing.

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

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

The Ultimate in Wide Range, General Purpose pH Papers.

Includes Color Comparison Chart.

Provides a simple, fast, economical method of pH measurement

Covers Full pH Range.

Each stoppered vial contains 100 (1.8 x 2") strips.

Make strong red cabbage juice in a minute! Red Cabbage Jiffy Juice is a very stable and easy to use red cabbage extract powder.