pH Reagent Test Drops and pH Scale Color Chart
Test the pH level of your water, soda, or almost any other water based liquid with these reagent drops and use the color chart to see how acidic or alkaline your water is. The pH drop bottle contains 1 oz of the reagent liquid: absolutely essential for testing the alkalinity of the liquids that you put into your body.
Just add 2-3 drops into small amount of water. Shake and observe color change, compare to the pH chart to determine pH.