Hach Chlorine Color Disc Test Kit, Free & Total, Model CN-66 uses powder DPD reagent that quickly reacts with chlorine for accurate results. This kit is suitable for small water systems, swimming pools and spas, and as a reliable low cost back-up to electronic colorimeters.
Includes two reagents, color disc, color comparator box, tube, instruction sheet, and carrying case.
|Number of Tests
||50 Free, 50 Total
||Chlorine, low range - as free & total Cl2
||0 - 3.4 mg/L Cl2