Hanna Instruments Halo Gel Filled Bluetooth pH Electrode air-purification 2 x AAA batteries

2 x AAA batteries

The water saving polymers provide a more consistent water and water soluble food source

060 µmol/m2/s over a 4’x4’ canopy

this material can be used from propagation to finished production

Hanna Instruments Halo Gel Filled Bluetooth pH Electrode air-purification 2 x AAA batteriesHalo Gel Filled Bluetooth pH Electrode This Bluetooth enabled electrode turns your Apple or Android device into a full featured portable pH meter. HALO gives you the ability to measure, chart, record and share your data right from your phone. HALO enables the gardener to automate their pH and temperature logging efforts. This helps keep gardeners accountable and focused. You can stop relying on hand written data logs when you start using the HALO. pH