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

General-purpose pH test strips

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.

Used for rapid determination of pH values

Single color match — just dip and read

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

Premeasured unit dose DPD reagents for water quality testing

An easy choice for classroom experiments or demonstrations

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

To measure chloride ions in all natural waters

Quickly and easily test for the presence of starch

Easy, instant pH determination

General purpose pH papers in efficient 15 ft. rolls

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

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

Clear, bright color matches at 0.5 intervals

Use with any DPD-based photometer or test kit

Packaged in a convenient plastic dispenser with comparative color chart

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.

Used in reflectometric test

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

Get instant pH values with these handy pocket tester rolls