Mondi Propagation Big 4 Black & White Tray Nutrients Best used for: Sustained growth

Best used for: Sustained growth during the flowering/fruiting stage

Root Builder introduces two key forms of beneficial bacteria to your grow medium: Bacillus licheniformis and Bacillus subtilis

and chelated iron resolve nutrient deficiencies

1 second on/off

Weight: 10 lbs

Mondi Propagation Big 4 Black & White Tray Nutrients Best used for: Sustained growthPremium grade virgin materials for cleanliness and durability Premium white plastic for increased light reflectivity Reinforced outside shell made from recycled materials provide strongest support to date Black base prevents light penetration to the root zone and reduces the chance of root disease Dimensions: 46 23 2. 5 in