Hanna Instruments Halo Gel Filled Bluetooth pH Electrode environmental-controllers In an ongoing quest to

In an ongoing quest to improve the quality of our products

Optional continuous drainage

the diversity of enzymatic species in Prozyme assures that each task required by the plant is performed efficiently and rapidly

Dimming/boosting wattage control

ONA is safe to use near children

Hanna Instruments Halo Gel Filled Bluetooth pH Electrode environmental-controllers In an ongoing quest toHalo 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