Hanna Instruments Halo Gel Filled Bluetooth pH Electrode Environmental Controllers Use Harvest-Master Climate Controllers to

Use Harvest-Master Climate Controllers to create a huge harvest increase in less time

NanoTech Reflectors reduce heat build up and maximize performance by reflecting 100% of the light towards the plants

from the household hobbyist to the commercial level grower

The species of microorganisms in this product are specifically selected for fruiting and flowering plants with a tolerance to heavy fertilizing

and organic nutrients

Hanna Instruments Halo Gel Filled Bluetooth pH Electrode Environmental Controllers Use Harvest-Master Climate Controllers 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