An easy choice for classroom experiments or demonstrations

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.

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

General-purpose pH test strips

For measuring pH solutions.

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

Hydrion™ Double Roll pH Papers consist of two rolls of pH papers packaged in a protective plastic dispenser with stainless steel cutoff lips and two matching color charts. pH color changes are distinct and easily matched to the color chart.

Test for starch quickly and easily

Used for rapid determination of pH values

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

General purpose pH papers in efficient 15 ft. rolls

Use with any DPD-based photometer or test kit

For chlorine, iodine and QAC testing

Single color match for each pH value.

Easy, instant pH determination

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

Use these test papers for a variety of applications.

For water quality testing

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

Concentrated pH indicator solution only needs one drop to test pH

Combines ease-of-use with accuracy and consistency for determination of the neutralization point in weak acid/strong alkali reactions.

Immediate and accurate general use pH test strips

Determine pH of wide range of solutions!

Wide-range, general-purpose pH test strips

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

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