Chlorine test paper rapidly check residual chlorine levels in water samples.

• Detects chlorine as hypochlorus acid or hypochlorite ion
• Chemically-treated paper strips change color and can be easily used in the lab or out in the field
• Easy to hold strips are ¹/_4"W×1.5"L

Simply dip a strip into the sample, wait for 60 seconds, and compare the color change of the strip to the chart on the bottle.