Environmental Concepts pH7 Dual Probe Soil PH Meter
Environmental Concepts Dual Probe Soil pH Meter uses an exclusive two-probe measuring system which allows both probes to be inserted to the same depth in the soil and allows the metals to be exposed to the same amount of soil providing the most effective way to consistently and properly measure soil pH. Full instructions for use and adjusting pH after readings are included along with cleaning pad. The logarithmic scale plate is easy to read and measures as wide range of pH.