This product contains 5 packs of 100 pH strips, 500 strips in total. Each strip is made of premium grade litmus paper intended for universal application. To test the pH of a solution simply dip the pH strip into your solution and the strip will change color. Quickly match this color against the color chart provided to obtain your solution's pH. Please see our infographic for common uses and examples of pH. To further the reliability of our products we randomly test each shipment we receive across multiple pH's to ensure product quality.
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