Quat Test Paper 0-400 ppm (parts-per-million) comes in a single roll. Provides a simple, reliable, and economical means to measure the concentration of Quaternary Sanitizers. Quat Check measures n-alkyldimethylbenzyl and/or n-alkyl dimethyl ethyl benzyl ammonium chloride, and Rocall II. Detects exhaustion of solutions. Helps to avoid using excessive amounts of sanitizing agents.
Low Range: 0-100-200-300-400 ppm