Designed to bring simplicity to pH testing of soil, the HI981030 GroLine Soil pH Tester is designed for taking direct pH measurements in soil for environmental and agricultural testing. The built-in probe features an open reference junction, conical glass tip, and a removable sleeve design making it ideal for measuring the pH of soil. ±0.2 pH accuracy Comes with all the necessary solutions and batteries- everything you need to get started measuring right away. Specialized electrode for spot che