Hanna GroLine Direct Soil EC Tester/Pen Growth Diameter when full of water:

Diameter when full of water: 17"

We strictly avoid using paclobutrazol

or MH lighting

fostering a robust growth environment

The plug may form whiteness on them due to this

Hanna GroLine Direct Soil EC Tester/Pen Growth Diameter when full of water:Hanna GroLine Direct Soil EC Tester Pen The HI98331 Direct Soil EC Tester Pen is a pocket tester that allows you to directly measure soil conductivity (EC) and temperature. The Direct Soil EC Tester Pen is a great option for taking direct conductivity measurements in soil because of its compact size, automatic calibration, and single button operation. The HI98331's steel penetration electrode means you no longer have to make soil slurries. The HI98331