Measure pH onsite without instruments or extensive preparation

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

General-purpose pH test strips

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

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

Quickly detect Hydrogen Sulfide in water in concentrations as low as 5ppm.

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

Detect free or total chlorine concentrations as low as 0.05ppm

For chlorine, iodine and QAC testing

Test for starch quickly and easily

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

General purpose pH papers in efficient 15 ft. rolls

Test paper measures from 0 to 400ppm

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

Get instant pH values with these handy pocket tester rolls

To measure chloride ions in all natural waters

For measuring pH solutions.

Easy, instant pH determination

Premeasured unit dose DPD reagents for water quality testing

Premeasured unit dose DPD reagents for water quality testing

Used for rapid determination of pH values

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.

Single color match — just dip and read

High-tech, fast and simple means for semiquantitative testing

Use these test papers for a variety of applications.