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

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

Test for starch quickly and easily

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

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

Foolproof pH test to determine if a solution is acidic or alkaline.

Use these test papers for a variety of applications.

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

Single color match — just dip and read

Used for rapid determination of pH values

Get instant pH values with these handy pocket tester rolls

Determine pH of wide range of solutions!

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

Easy, instant pH determination

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

Dispenser for Free Chlorine reagent

High-tech, fast and simple means for semiquantitative testing

For measuring pH solutions.

General purpose pH papers in efficient 15 ft. rolls

Single color match for each pH value.

Used in reflectometric test

Phenaphthazine 4.5–7.5 nitrazine indicator paper has been trusted by hospitals and physicians worldwide for more than 50 years.