Hach Ammonia (Nitrogen) Test Strips, 25 Strips
Range: 0 to 6 ppm. Increments: 0, 0.25, 0.5, 1.0, 3.0, 6.0 ppm.
Obtain fast quantitative results in the field or lab! Just dip the strip in the sample and then compare with the color scale printed on the bottle.
