3.8 cm round rock wool

Round Rockwool Substrates – 3.8 cm – for Hydroponics

Optimize your seedlings and cuttings with our 3.8 cm round rockwool growing blocks, ideal for hydroponic systems. Their compact size and cylindrical shape fit easily into mesh baskets or perforated lids.

Features :

• Diameter: 3.8 cm – ideal for Kratky type plugs, germination trays or small NFT systems.
• Aerated structure: promotes excellent water retention while ensuring good oxygenation of the roots.
• Stable support: keeps seedlings upright and facilitates root development in soilless environments.
• Ready to use: already drilled to easily accommodate seeds or cuttings.

These rockwool substrates provide a clean, uniform and controlled growing environment, essential for reliable results in hydroponics.