Growers Choice SE 315W CMH 3K-R rockwool These loose round plugs fit

These loose round plugs fit perfectly into the Gro-Block hole

• Increased Shelf Life: Increases shelf life of fresh cut vegetables by 5-7 days

so in total you can control 1020 lights and 4 sensors

Works well in soil or hydro

Growers Choice SE 315W CMH 3K-R rockwool These loose round plugs fitGrowers Choice 3kr CMH lamp is tailored specifically to enhance bloom production through the discharge of intensified red shift photon dispersion, which plants need to promote heavier yields and additional UV light to facilitate terpine and resin production as this is a plants natural response to protect itself from UV radiation. 3K R 315W Single Ended CMH The Growers Choice 315w CMH Lamps are suitable for use in all standard 315w CMH fixtures. The 3K