| HYDRION 193, pH Paper,Standard,pH 0-13 pH Paper, Test Form Paper, Overall Length 15 ft, Test Type pH Test, Testing Parameter One pH, Overall Width 1/4 in, Parameter Measurements Included 0 to 13 pH, Number of Tests 2,000, pH Resolution 1.0 pH, Test Detects For pH, Includes (10) Dispensers,... ... more HYDRION 193, pH Paper,Standard,pH 0-13 pH Paper, Test Form Paper, Overall Length 15 ft, Test Type pH Test, Testing Parameter One pH, Overall Width 1/4 in, Parameter Measurements Included 0 to 13 pH, Number of Tests 2,000, pH Resolution 1.0 pH, Test Detects For pH, Includes (10) Dispensers,... | | $13.99 go to store |