Visual test strips for total chlorine in water. Bottle of 50 tests. Part number 480010.
Compare the strip with the colour chart supplied on the bottle. No photometer is required. Follow the instructions for the selected method and its reading time.
Method A colour-chart values: 0.0, 0.1, 0.2, 0.5, 0.8, 4.0 and 10.0 ppm (mg/L).
Method B colour-chart values: 0.0, 0.05, 0.1, 0.15, 0.2, 0.5 and 1.0 ppm (mg/L).
This product measures total chlorine. Choose a free chlorine test if you need a separate free chlorine reading.