Hach® Total Hardness Test Strips

Hach Total Hardness Test Strips, 50 Strips

Range: 0 to 425 ppm. Increments: 0, 25, 50, 120, 250, 425 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.