Test Strip, Test Form Strip, Overall Length 4 in, Test Type Test Strips, Testing Parameter One Total Hardness, Iron, pH, Total Chlorine, Overall Width 1/4 in, Parameter Measurements Included 0 to 10 ppm Iron, 0 to 400 ppm Total Hardness, 0 to 5 ppm Total Chlorine, 4 to 9 pH, Number of Tests 50, pH Resolution 1.0 pH, Test Detects For Iron, pH, Total Chlorine, Total Hardness, Includes Color Chart Label, Parameter Five Measurements Included Not Applicable