Hanna Instruments Halo Gel Filled Bluetooth pH Electrode grow-light-ballasts Note: Wood box sold separately

Note: Wood box sold separately

• Great for all meat & produce

3 Year warranty

Potassium aids plants in enzymatic function

Amperometric probe technology

Hanna Instruments Halo Gel Filled Bluetooth pH Electrode grow-light-ballasts Note: Wood box sold separatelyHalo 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