G-Rex Promote the CMh 315 ballast is

the CMh 315 ballast is silent

The trays design also allow for proper air circulation between the wicking mat and the tray bottom providing good air movement and helping to keep the root zone healthy and happy

Xtrasun parabolic HV reflectors feature a bright white finish that delivers all the light down to the plants

5ox to 1 gallon of water thereafter

Our Xtrasun High Pressure Sodium (HPS) + Metal Halide (MH) Dual Arc lamps offer the benefits of HPS and MH technology simultaneously within one lamp

G-Rex Promote the CMh 315 ballast isG Rexcustom blended in Northern California, never dried or dehydrated! G Rex is formulated to be used throughout the entire growth cycle. It will continue to work from the rooted cutting stage all the way until harvest. When making cuttings, add G Rex as soon as a callous forms at the base of the cutting. For example, when you set up a tray of rockwool or oasis cubes water with Hum tea, wait seven days and then water in G Rex. After transplant