Grodan Improved Gro-Block GRI6.5 27/40 – Growing Block 10 x 10 x 6.5 cm

The Grodan Improved Gro-Block GRI6.5 is a professional stone wool growing block measuring 100 x 100 x 65 mm, featuring a small planting hole with a diameter of 27 mm and a depth of 40 mm. The block is designed for uniform root development and precise root-zone management in professional hydroponic cultivation.

The Grodan Improved product line combines an optimised fibre structure with Advanced Wetting Agent technology. This technology improves wetting performance and enables uniform distribution of water and nutrients throughout the entire substrate volume.

The homogeneous distribution of water content (WC) and electrical conductivity (EC) creates a stable and controllable root environment. The improved substrate structure supports rapid root development and efficient utilisation of the available growing volume.

Excellent control over WC and EC makes the Grodan Improved GRI6.5 growing block particularly suitable for vegetative and generative crop steering strategies. The small planting hole is designed for compatible propagation plugs. For further plant development, the block can be combined with suitable Grodan growing slabs.

Benefits

• Optimised fibre structure with Advanced Wetting Agent
• Uniform distribution of water and nutrients
• Consistent water content (WC) and stable EC behaviour
• Supports fast and uniform root development
• Efficient utilisation of the entire substrate volume
• Precise irrigation and nutrient management
• Suitable for vegetative and generative crop steering
• Compatible with suitable Grodan propagation plugs and growing slabs

Product Specifications

• Brand: Grodan
• Product line: Improved Gro-Block
• Type: GRI6.5 27/40
• Material: Stone wool
• Dimensions: 100 x 100 x 65 mm
• Planting hole: 27 mm diameter x 40 mm depth
• Manufacturer article number: 354554
• Sales unit: 1 growing block
• Application: Professional plant propagation and hydroponics