Hanna GroLine Direct Soil EC Tester Pen GROW!T using a state of the

using a state of the art conveyor mixing system which ensures consistency in every bag

Made with: mycorrhizal fungi

or an external mobile battery pack (PowerBank)

and the planet

Hanna GroLine Direct Soil EC Tester Pen GROW!T using a state of theThe HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil Test is an excellent choice for taking direct conductivity measurements in soil. No need for soil slurries with the steel penetration electrode. Integrated temperature sensor for automatic temperature compensation. Great for environmental and