Plastic pH Test Strips, Universal Application (pH 1-14), 100 strips
This product contains one case of 100 plastic pH strips. Each pH strip has four pieces of pH paper that will change color after being submersed in a solution.  After submersion the strips can then be compared against a color chart to determine the pH. This method allows for fast and accurate pH readings. To further the reliability of our products we randomly test each shipment we receive across multiple pH's to ensure product quality.Instructions:               To determine the pH of your solution simply take one pH strip and dip it into the solution for 1-2 seconds. Wait for up to 15 seconds and then match your strip against the color chart that's provided on the case to determine the pH.