Hydrofarm Black & White Grow Bag 5 gal (16 packs of 25) cleanroom It is also compatible with

It is also compatible with the Spider Farmer GGS Controller for even more advanced features and control

30% Chelated Iron (Fe)

Membrane flush kit 2

reinvigorate tired soil

Meeting MET and UL standards

Hydrofarm Black & White Grow Bag 5 gal (16 packs of 25) cleanroom It is also compatible withDescription Product Details: White Black Grow Bags This update to the classic Hydrofarm grow bags features a new durable white plastic outer layer so you can write details like plant type, planting dates and growing notes, right on the bag! The white surface also reflects light, helping keep plants' roots cooler. These bags are a great low cost alternative to plastic pots used by greenhouse growers. And as always, they're made from a specially