pH Indicator and Test Paper, Test Form Paper, Overall Length 1/4 in, Test Type pH Test, Testing Parameter One pH, Overall Width 16 3/8 ft, Parameter Measurements Included 5 to 8 pH, Number of Tests 600, pH Resolution 0.5 pH, Test Detects For pH, 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