Hanna Instruments Halo Gel Filled Bluetooth pH Electrode Environmental Controllers from the household hobbyist to

from the household hobbyist to the commercial level grower

0 Controlled Environment 4' x 4' grow tent with the Sunburst 315W CMh 120/240V 3100K all-in-one system

decorative black fixture with on/off switch

• Canadian Sphagnum peat moss (75-85% by volume)

Once this filter begins to show some wear

Hanna Instruments Halo Gel Filled Bluetooth pH Electrode Environmental Controllers from the household hobbyist 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