Grow1 Square Grow Lid, 6 in. - Pack of 40 Rockwool Starter Plugs Operating pressure range: 10-20 PSI

Operating pressure range: 10-20 PSI (

it has 36 six-inch square mesh openings that will gently yet firmly maintain your plants in a proper upright position as they become heavy through the flowering process

(x1) 72-Site Adjustable Top Tray

Providing an average of 1000 umol/s of usable photon flux

Our Rosin Collection Plate made from T6 6061 aircraft-grade aluminum is designed to fit easily in your freezer to chill down for hassle-free collection of your rosin from the parchment paper (or other material used)

Grow1 Square Grow Lid, 6 in. - Pack of 40 Rockwool Starter Plugs Operating pressure range: 10-20 PSIDual sided 5. 5mil grow lids have a white face to reflect light back to the plants and a black side to block light and help with algae, mildew and pest control. These are great for plants that can't hold any more mulch or ground cover in it's container. Available in 3 sizes: 3 in. Pack of 40 4 in. Pack of 40 8 in. Pack of 40