Grodan ParGro Biggie 6 inch x 6 inch x 6 inch Block Cases and Singles:Single The Grodan Gro-Smart Tray Insert

The Grodan Gro-Smart Tray Insert is designed to fit seamlessly into a standard 10 x 20 flat

Teamed with our Bluelab EC Pen or Bluelab ppm Pen

as well as form a sturdy flood pool that truly holds water

since each pouch only works on the air near it

Grodan ParGro Biggie 6 inch x 6 inch x 6 inch Block Cases and Singles:Single The Grodan Gro-Smart Tray InsertGrodan ParGro Biggie 6 inch x 6 inch x 6 inch Block The Grodan Pargro Biggie 6 inch x 6 inch x 6 inch Block is the ultimate solution for hydroponic growers seeking superior moisture control and outstanding root development. With its exceptional dryness, these value priced rockwool blocks are the perfect choice for maximizing plant health and productivity. The Pargro line by Grodan has been specifically modified to offer the driest value priced