Total Hardness 1-1000 ppm, Bottle of 50

Total Hardness test strips are perfect for service work, classroom demonstrations, or for homeowners to help set up their softener. Total Hardness test strips offer a wide range of detection and are calibrated to be both accurate and sensitive. With their low cost and high accuracy, Total Hardness test strips also offer you a time-savings. No more counting drops or waiting for laboratory results. With total hardness test strips you are in control and can find out exactly where your calcium level is before it becomes a problem.