Grand Master LED (GML) Controller SILENCERS Both "water only" growth and

Both "water only" growth and pairing with our organic Living soil gardeners' guide are suitable options

Flush systems at least once a week to avoid nutrient buildup in the media

Power: 50W

to a single Treegers Growcast

Grand Master LED (GML) Controller SILENCERS Both "water only" growth andThe Grand Master Controller is designed like no other. The only controller capable of controlling 4 channels. No other controller can operate the Tarantula Borg with 60 pre sets and customizable spectrums. Featuring: 10ft remote Temp humidity probe included x1 RJ45 Port for controlling the Tarantula Borg (up to 100 Lights) With the GMC Adapter, you can control x4 100 light rooms single channel or x2 200 light rooms dual channel This controller is