Nitrite/Nitrate Test Strips, bottle of 50 strips.
Simply dip the test strip into your water sample for 2 seconds, remove, wait 1 minute for the colors to develop, and match to the closest color match. Accurate results have never been easier.
|NO3||0, 0.5, 2, 5, 10, 20, 50 ppm (mg/L)|
|NO2||0.15, 0.3, 1, 1.5, 3, 10 ppm (mg/L)|
|Country of Manufacture||United States|
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