Hydrofarm Black & White Grow Bag- 3 Gallon (Case of 20 Packs) Drain Plug Assembly Pro-Mix BX Mycorrhizae is a

Pro-Mix BX Mycorrhizae is a general purpose peat-based growing medium containing a beneficial mycorrhizal inoculum (glomus intraradices)

Size specification is 8–16 mm

or seedling trays

Improve nutrient uptake and water availability conditions

3 Ounces per cup

Hydrofarm Black & White Grow Bag- 3 Gallon (Case of 20 Packs) Drain Plug Assembly Pro-Mix BX Mycorrhizae is aWhite Black Grow Bags This update to our 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 formulated plastic that provides for