Test Strip, Hardness, 0 to 180 PPM, PK50

Test Strip, Test Form Strip, Overall Length 3 in, Test Type Test Strips, Testing Parameter One Hardness, Overall Width 1/4 in, Parameter Measurements Included 0 to 180 ppm Hardness, Number of Tests 50, pH Resolution Not Applicable, Test Detects For Hardness, Includes Color Chart Label, Parameter Five Measurements Included Not Applicable, Parameter Four Measurements Included Not Applicable, Parameter Three Measurements Included Not Applicable, Parameter Two Measurements Included Not Applicable