# 120 Free Chlorine in Water
Colorimetric test strips. (1 test per strip)
Free Chlorine test strips are used for testing drinking water from a city water treatment system. This test is a low range Free Chlorine that works great for drinking water testing with the low range color blocks. This test reports concentrations of Free Chlorine without interference from chloramines.
This test has been calibrated around EPA drinking water standards. Free Chlorine levels of 4.0 mg/L or greater exceeds Maximum Contaminant Level (MCL) as recommended by EPA.
The Color Comparator Chart for this test reports mg/L or ppm of:
Free Chlorine 0.0, 0.05, 0.2, 0.4, 0.6, 0.8, 1.2, 1.5, 2.0, 2.6, 4, and 6
Results are obtained from this test in 40 seconds.