General-purpose pH test strips

Provides an extremely clear and accurate visual pH value using four different segments of dye-impregnated indicator papers. Whatman™ pH Indicator Papers, CF Strips use dyes that are chemically bonded to the paper and cannot be leached into solution.

An easy choice for classroom experiments or demonstrations

Measure pH onsite without instruments or extensive preparation

Laboratory grade plastic pH strips in durable and easy to open flip-top vials

Direct reading pH paper with 14 colors for 14 pH values—the widest range available on a single paper

Detect free or total chlorine concentrations as low as 0.05ppm

General purpose pH papers in efficient 15 ft. rolls

Provides a simple, reliable and economical means to measure quarternary concentration of ammonium, chlorine and iodine sanitizer solutions

Provides a simple, reliable, and economical means to measure quarternary concentration of ammonium, chlorine and iodine sanitizer solutions

Quickly and easily test for the presence of starch

Since the indicator does not bleed, the strip can be left in the measurement medium without contaminating it.

Determine pH of wide range of solutions!

Get instant pH values with these handy pocket tester rolls

Concentrated pH indicator solution only needs one drop to test pH

Single color match for each pH value.

Manufactured since 1934, pHydrion™ test papers set the standard for quality, accuracy and reliability

For water quality testing

Provides rapid determination of pH values. Whatman™ pH Indicators are impregnated with a mixture of several indicators that change color when they come in contact with a particular sample solution.

To measure chloride ions in all natural waters

Tests for peracetic acid and hydrogen peroxide using the dropper bottle method

Provides a simple, reliable, and economical means to measure quarternary concentration of ammonium, chlorine and iodine sanitizer solutions

For chlorine, iodine and QAC testing

High-tech, fast and simple means for semiquantitative testing

High-tech, fast and simple means for semiquantitative testing

Provides a simple, reliable and economical means to measure quaternary concentration of ammonium, chlorine and iodine sanitizer solutions

Use these test papers for a variety of applications.