Rockwool Hydroponic Seedling Cubes – 100pcs Sterile Grow Plugs for Soil-Free Plant Starts

These hydroponic seedling cubes are made from high-temperature treated, sterile rockwool and are perfect for soil-free and hydroponic plant starts. Lightweight, porous, and with excellent water and air permeability, they suit all kinds of seedling cultivation. Each pack contains 100 cubes for garden and greenhouse use.

• 100% sterile — no pathogens or pests to worry about
• Excellent water retention with optimal air-to-water ratio for healthy root development
• Compatible with all hydroponic systems including NFT, DWC, and drip systems
• Suitable for vegetables, herbs, flowers, and cannabis seedlings
• Lightweight and easy to handle — ideal for both home growers and commercial operations
• Pack of 100 cubes