Mondi Black & White Premium 10 x 20 Propagation Tray [Case of 5] grow-light-reflectors and green spectrums for the

and green spectrums for the MH bulbs

It is designed to increase response time and maximize the life of Bluelab pH pens and pH probes

If you have a ventilation system

It can be used in conjunction with a variety of fertilizers

Customized for gardening and hydroponics

Mondi Black & White Premium 10 x 20 Propagation Tray [Case of 5] grow-light-reflectors and green spectrums for theCase 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.