Hanna Instruments Halo Gel Filled Bluetooth pH Electrode environmental-controllers Mounting Surface: Wall or Column

Mounting Surface: Wall or Column

ONA is safe to use near children

and 3′ x 6′ trays for the 4′ x 8′ tent

• The Neutralizer Essential Oil cartridge - 40 ml (x1)

Dimming/boosting wattage control

Hanna Instruments Halo Gel Filled Bluetooth pH Electrode environmental-controllers Mounting Surface: Wall or ColumnHalo 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