Chlorine Test Strip, Test Form Strip, Test Type Chlorine Test, Testing Parameter One Free Chlorine, Overall Width 1/4 in, Parameter Measurements Included 0 to 2,000 ppm Free Chlorine, Number of Tests 600, Test Detects For Free Chlorine, Includes Color Chart, Minimum Percentage Measurement Not Applicable, Minimum Measurement One 0 ppm, Maximum Measurement One 2,000 ppm, Package Quantity 600