Chlorine test strips. To measure the concentration of free available chlorine in sanitizing solutions. Measures concentrations between 10-200 ppm.

This short-range Hydrion pH Paper provides excellent color separation in the acid range and offers clear bright single color matches at every .5 interval from pH 3.0-5.5. The color chart has pH matches at [3.0][3.5][4.0][4.5][5.0][5.5]. Dimensions: 15 feet Includes: roll...

Hydrion QT-10 Quaternary Test Paper provides a simple, reliable, and economical means to measure the concentration of quaternary sanitizers. Dimensions: 15 ft roll Tests for: N-alkyldimethylbenzyl and/or N-alkyl dimethyl ethyl benzyl ammonium chloride, and Rocall II Color matches at 0-100-200-300-400ppm...

Hydrion QT-40 Quaternary Test Paper provides a simple, reliable, and economical means to measure the concentration of Quaternary Sanitizers, particularly multi-quat broad range quaternary ammonium sanitizer solutions. With color matches at 0-150-200-400-500ppm (parts per million), the test paper measures concentrations...