Chlorine Test Strip Test Form Strip Overall Length 2 3/4 in Test Type Chlorine Test Testing Parameter One Free Chlorine Overall Width 1/4 in Parameter Measurements Included 0 to 300 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 300 ppm Package Quantity 600