Micro Essential Lab QC-1001 Plastic Hydrion High Range Quat Check Test Paper Dispenser, Single Roll, Food Service Test Strips, 0 - 1000 ppm (Case of 10)

Handy, accurate method for testing sanitizing solutions which have not been built up with strongly alkaline cleansersCalibrated for dimethyl benzyl ammonium chloride and similar quaternariesReads full range of 0-1000 ppmClear,...