1. Wide measuring range: Our pH meter test strips offer a measuring range of 1 to 14, so you can accurately test the acidity or alkalinity of different substances. 2. Easy to Use: Just press the test strip on the object or liquid you are testing, and within half a second you can take it out and compare the color change with the color chart provided. This allows you to quickly and conveniently determine the acidity of your test subject. 3. Clear acidbase indications: The test strips have clear indications for different acid levels. The scale includes 13 for very acidic substances, 46 for acidic substances, 7 for neutral, 811 for alkalinity, and 1214 for very alkalinity. This makes it easy to interpret the results of your tests. 4. Precise and reliable: Our pH test strips are designed to provide accurate and reliable measurements. They effectively display the acidity or alkalinity of a substance to ensure you have accurate information for your analysis or experiments.