Chlorine Micro Check Test Strips, Detect free or total chlorine concentrations as low as 0.05ppm, Pack of 50

Details

Detect free or total chlorine concentrations as low as 0.05ppmTest strips for field testing and quality-control procedures; provide a safe and economical alternative to reagent chlorine testing.   Accurate results produced in less than one minute Easy to use—simply dip strip into sample or hold under liquid stream to saturate, remove, and match color to the color-comparison scale