Description
Chlorine 0.2 a, 0.2 3 PPM 3 30 PPM, (CH24301) Bailer Color Change: blue violet Color Change: blue violet yellow 20 ppm hydrogen sulfide result in a reading of 2 ppm
Chlorine 0.2 a, 0.2 3 PPM 3 30 PPM, (CH24301) Bailer Color Change: blue violet Color Change: blue violet yellow 20 ppm hydrogen sulfide result in a reading of 2 ppm