Hydrofarm Black & White Grow Bag- 3 Gallon (Case of 20 Packs) APGP0400 Plants fortified with calcium and

Plants fortified with calcium and magnesium exhibit lush green leaves and reward the farmer with heavy fruits

It is a proprietary blend of highly concentrated beneficial fungi and bacteria that perform many important functions in the rhizosphere (the root zone)

Centered drain fitting minimizes standing water

When the round dot turns from pink to blue

They feature the same thickness and design as their white trays

Hydrofarm Black & White Grow Bag- 3 Gallon (Case of 20 Packs) APGP0400 Plants fortified with calcium andWhite 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