Test Pen Portable Auto Temp Compensation pH Meter High-Accuracy Aquarium Water Quality Tester
Do you want to know whether the pH value of water you drink is up to the standard? If so, this product is what you need. Featuring the automatic temperature compensation which will automatically compensate the solution temperature of 0-50℃(32～122℉), it can provide you the most accurate and stable reading.
100% brand new and high grade.
Used to test the pH value and make your living healthier.