Test Strips, Test Form Strip, Test Type Test Strips, Testing Parameter One Hydrogen Sulfide, Parameter Measurements Included 0 to 80 ppm Hydrogen, Number of Tests 50, pH Resolution Not Applicable, Test Detects For Hydrogen, Parameter Five Measurements Included Not Applicable, Parameter Four Measurements Included Not Applicable, Parameter Three Measurements Included Not Applicable, Parameter Two Measurements Included Not Applicable, Testing Parameter Four Not Applicable