An easy choice for classroom experiments or demonstrations

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 test strips

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

Used for rapid determination of pH values

Test for starch quickly and easily

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

Offer excellent color separation in the pH range; 100 pH test strips/vial.

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.

For chlorine, iodine and QAC testing

Single color match for each pH value.

Get instant pH values with these handy pocket tester rolls

To measure chloride ions in all natural waters

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

General purpose pH papers in efficient 15 ft. rolls

Determine pH of wide range of solutions!

Single color match — just dip and read

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.

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

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.

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

Dispenser for rapid qualitative test paper to detect hydrogen sulfide