General-purpose pH test strips

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

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.

Measure pH onsite without instruments or extensive preparation

General purpose pH papers in efficient 15 ft. rolls

Used for rapid determination of pH values

Detect free or total chlorine concentrations as low as 0.05ppm

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

Quickly and easily test for the presence of starch

Use with any DPD-based photometer or test kit

Easy, instant pH determination

An easy choice for classroom experiments or demonstrations

Packaged in a convenient plastic dispenser with comparative color chart

Single color match — just dip and read

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

Used in reflectometric test

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

Clear, bright color matches at 0.5 intervals

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

Premeasured unit dose DPD reagents for water quality testing

Provides a simple and reliable means to measure the concentration of quaternary sanitizers, specifically Alkyldimethylbenzyl ammonium compounds, Rocall II and Hyamine 3500. Keep refills on hand (15-420-1W) to minimize downtime.

Used for rapid determination of pH values

Used in reflectometric test

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.

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