Grodan PAR10 Block 4 x 4 x 4in w/ Hole - Pallet of 1,584 blocks Heavy 16 2x ½” in-line tap

2x ½” in-line tap

It also improves the production of essential oils

100% UV protection and the highest resolution possible

Remove all but a couple of leaves

Grodan PAR10 Block 4 x 4 x 4in w/ Hole - Pallet of 1,584 blocks Heavy 16 2x ½” in-line tapGrodan PAR10 Block 4 x 4 x 4in w Hole Pallet of 1,584 blocks The Grodan PAR10 Block 4 x 4 x 4 in with Hole is an industry leading rockwool growing medium, engineered to deliver superior moisture control and create the ideal environment for healthy, vigorous root development. Designed with precision for hydroponic systems, these blocks help optimize water retention while providing ample oxygen to the roots, ensuring robust plant growth. Each block