Green Planet Root Builder ROBF4 Integrated output knob provides control

Integrated output knob provides control over the amount of photons to the plant canopy

HPS Crystal lenses are crafted from German mineral glass that's scratch resistant

Air tight bottle with tamper-proof seal

reservoir drain outlet

Green Planet Root Builder ROBF4 Integrated output knob provides controlWhat it is Root Builder is our root zone inoculant comprised of specifically selected beneficial bacillus bacteria. It promotes a healthy and active root zone at all stages of growth. How it works Root Builder is formulated with extremely active beneficial organisms that deliver an abundance of benefits to your plants root zone. Root Builder introduces two key forms of beneficial bacteria to your grow medium: Bacillus licheniformis and Bacillus