PH Test Paper, 1 Set 80 Strips Full Range Alkaline Acid 14 Paper Water Litmus Testing Kit for Home Daily Test, Class Experiment, Lab, etc

There is a strong correlation between the pH of the body's internal environment and pH paper help you to maintain good healthy body by testing many usual everyday substances The reading range of ph test paper is 1-14, which represents different pH levels 1 - 3 indicates a very acidic substance; 4 - 6 indicates an acidic substance; 7 indicates neutral; 8 - 11 indicates alkalinity; 12 - 14 indicates a very high level of alkalinity Each package contains 1-14 colors of pH test paper The test strip color changes must be matched with the pH scale color chart within about 15 seconds