Mondi Black & White Premium 10 x 20 Propagation Tray [Case of 5] grow-light-reflectors If you have a ventilation

If you have a ventilation system

plants' responses are at their fullest at all times

Phosphorus (P) and Potassium (K)

and mounting hardware

Mondi Black & White Premium 10 x 20 Propagation Tray [Case of 5] grow-light-reflectors If you have a ventilationCase Quantity is: 5 This is a clean and strong premium propagation tray made from high quality materials for durability. Interior is made of premium white plastic for increased light reflectivity. Reinforced outside shell made from recycled materials provide the strongest support to date. The black base prevents light penetration to the root zone and reduces the chance of root disease.