High Range pH Test Strips Test Form Strip Overall Length 3 1/4 in Test Type pH Test Testing Parameter One pH Overall Width 1/4 in Parameter Measurements Included 7 to 14 pH Number of Tests 600 pH Resolution 0.5 pH Test Detects For pH Includes Color Chart Minimum Percentage Measurement Not Applicable Maximum Alkalinity Measurement 14 pH Minimum Alkalinity Measurement 7 pH Maximum Percentage Measurement Not Applicable Package Quantity 600