A pH probe tester is a tool that helps us check how acidic or basic a liquid is. This tool is important in many places, like schools, labs, and farms. The pH scale goes from 0 to 14, where 0 is very acidic, 7 is neutral (like water), and 14 is very basic (like soap). Knowing the pH of liquids can help farmers grow better crops, scientists do important experiments, and even help people keep their fish tanks healthy. JIDE makes reliable pH probe testers that are easy to use and give accurate results.