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Perfect for starting germination quickly in hydroponic towers, ensuring strong roots, uniform growth, and an easy, seamless transplant into the tower’s planting holes.

• High-density material, stable and resistant to deformation

• Highly porous structure (≈95%) for optimal root oxygenation

• Even absorption of water and nutrients

• Convenient central holes for easy seed insertion

• Compatible with hydroponic towers, NFT systems, DWC, aeroponics and home greenhouses

Fine Expanded Vermiculite – Neutral pH, ideal for closing the hole in rockwool cubes.
It provides a more stable environment for the seed, immediately improving germination conditions. Thanks to its fine grain size, it settles perfectly inside the cube’s hole, protecting the seed and creating the ideal micro-environment for sprouting.

• Allows light-sensitive seeds to germinate in a darker and more protected environment.

• Softens excessive light: ideal for seeds that prefer indirect light for a balanced start.

• Maintains constant moisture inside the cube hole, reducing the risk of early dryness.

• Ensures natural oxygenation around the seed.

• Fine grain size (1–3 mm) fits perfectly into the hole without compacting.