Code: 827-
Weight: 0.01kg
Tests the pH of Saliva, urine, water etc.
Easier to use than litmus. Comes complete with directions, indicator color chart, and a guide to how to interpret results.
pH stix give an indication in .25 pH unit increments, and test a range of 4.5 to 9.0. Plus, they use the double color indicator method, allowing for a more accurate determination of the pH value of what you are testing.