Hanna GroLine Direct Soil EC Tester/Pen Growth We strictly avoid using paclobutrazol

We strictly avoid using paclobutrazol

The plug may form whiteness on them due to this

ensuring relative humidity is kept at 69% in a contained area

or MH lighting

healthier roots

Hanna GroLine Direct Soil EC Tester/Pen Growth We strictly avoid using paclobutrazolHanna 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