Hydrofarm Black & White Grow Bag 10 gal (20 packs of 10) king Optimized spectrum

Optimized spectrum

Integrated with an advanced remineralization stage

smooth operation is ensured

It is a plant-safe chemical with potent oxidative properties that help increase both Nutrient and Oxygen availability

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Hydrofarm Black & White Grow Bag 10 gal (20 packs of 10) king Optimized spectrumDescription 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