Grow1 3 Gal B&W PE Grow Bag (Case of 18 Packs) 25 micron These leading-edge blocks have the

These leading-edge blocks have the optimal fibre structure and physical properties for crop uniformity

The fins around the spherical glass pH bulb minimizes breakage due to accidental bumping or dropping of the electrode

and modular design lets you link and power multiple 100–277V fixtures from a single input power

some growers require find supplementation helpful in demanding conditions

With the unique ability to be spread or sprayed

Grow1 3 Gal B&W PE Grow Bag (Case of 18 Packs) 25 micron These leading-edge blocks have theGrow1 PE Grow Bags are a great alternative to expensive pots. Grow1 PE Grow Bags are 5. 5mil thick and are made of strong polyethylene. All black bags are perfect for blocking light and help with algae, mildew, and pest control. White and black bags feature an all black interior as well as an all white exterior to help reflect light. All Grow1 PE Grow Bags feature prefabricated holes to assist with drainage. Case of 18 Packs