Group 6) Salinity Tester (Handheld - Green)

If you use the GroundWorx sensors for field research, we recommend using this tool around the sensor to verify readings and sample soil above and below the GroundWorx depth. 

Soil pH Meter, Tadeto Digital Soil Tester with Sensitive Probe and LCD, Zinc Alloy Protective Tip Soil pH Test Kit for Turf, Gardens, Trees, and Plants. (Green includes Battery x2)