Grodan Gro-Slab 36x6x3 – Individual Rockwool Hydroponic Slab/ Growing Medium -10 Slabs

Description

This Grodan Gro-Slab is a professional-grade rockwool slab designed for hydroponic growing. Perfect for greenhouses, raised bed inserts, or indoor grow setups.

These are open box but unused and in great shape. Designed for optimal moisture retention, air flow, and root development.

• Sold individually (10 available)

• Dimensions: 36″ x 6″ x 3″

• Rockwool growing medium – inert and sterile

• Ideal for hydroponic systems, especially for vine crops

• Open box – minor cosmetic wear from storage, but unused & in packaging

• Easy to cut or fit to specific trays or beds

• Great for hobbyists or commercial growers alike

Condition: Open box (unused)
Material: Rockwool
Color: Light gray/green
Dimensions: 36” x 6” x 3”
Brand: Grodan