Extech CL200 Exstik Waterproof Chlorine Meter

Extech CL200 Chlorine Tester - Resolution (Chlorine Testers): 0.01Ppm 0.1°F/°C, Measure Temperature: Yes, Measure Ph: Yes

Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine

Hach Chlorine (Free And Total) Test Kit, Model CN-70, Visual Comparator, Portable, Field Use, Lab Use, EPA Approved, Colorimetric Method, Powder

Industrial Test Systems Waterworks 480124 Free Chlorine Test Strip, Ultra High II Range, 61 Seconds Test Time, 0-2000Ppm Range (Bottle Of 50)

Lamotte Test Strip: 0 To 5 Ppm Total Chlorine, Total Chlorine, 50 Tests [PK/50] Model: 2979