pH Test Paper, Test Form Paper, Overall Length 15 ft, Test Type pH Test, Testing Parameter One pH, Overall Width 1/4 in, Parameter Measurements Included 6 to 8 pH, Number of Tests 1,000, pH Resolution 0.2 pH, Test Detects For pH, Includes 15 ft Roll of Test Paper, (10) Kits per Carton, Matching Color Chart, Minimum Percentage Measurement Not Applicable, Maximum Alkalinity Measurement 8 pH, Minimum Alkalinity Measurement 6 pH, Minimum Measurement One 6 ppm, Maximum Measurement One 8 ppm