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Cultiwool Cubes

Cultiwool Cubes

£229.99 GBP
£229.99 GBP
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Establish absolute control over your nursery and vegetative phases with Cultiwool Grow Cubes. While starter mediums might look like a minor detail compared to the rest of your hydroponic setup, choosing a premium substrate at this stage dictates the future vigour of your canopy. These professional-grade stonewool cubes provide a completely sterile, stable, and highly aerated environment designed specifically to eliminate early transplant stress and cultivate massive, resilient root systems.

By putting you firmly in the driving seat, Cultiwool allows you to manage your watering cycles with precision. This ensures your seedlings, cuttings, and establishing plants develop with total uniformity, maximising final yields while reducing the risk of early crop failure.

Core Cultivation Advantages:

  • Advanced Air-to-Water Zoning: Cultiwool’s unique fibre orientation offers an exceptional, highly strategic drainage design. The cubes are engineered to let air flow freely through the upper layers while retaining a vital reservoir of water and nutrient solution at the base. This provides emerging root tips with constant access to hydration without suffocating the upper root zone.

  • Superior Saturation & Re-Saturation: Unlike lower-grade rockwool that resists moisture after drying out, Cultiwool possesses exceptional wetting and re-wetting properties. The blocks absorb water instantly and uniformly, preventing dry pockets and uneven nutrient distribution.

  • Positive Impact on EC Stability: These cubes are chemically stable and highly predictable, offering excellent management over your root-zone Electrical Conductivity (EC). They do not store or spike mineral salts unpredictably, allowing you to fine-tune your liquid feeding schedules.

  • Sterile & High-Performance Matrix: Naturally resistant, durable, and highly reliable. Cultiwool maintains its exact physical structure and density even when fully saturated, keeping your plants upright and secure throughout the critical vegetative phase.

Available Sizes & Commercial Freight Specifications

From small-cell seedling pops to massive standalone blocks for commercial slabs, choose the ideal configuration for your facility's layout.

  • Small (40 mm)

    • Block Dimensions: 40 mm x 40 mm x 40 mm

    • Box Quantity: 2,250 Cubes per Carton

    • Carton Dimensions: Height: 61 cm | Length: 60 cm | Width: 41.5 cm

  • 3" Small & 3" Large (75 mm)*

    • Block Dimensions: 75 mm x 75 mm x 65 mm

    • Box Quantity: 480 Cubes per Carton

    • Carton Dimensions: Height: 61 cm | Length: 77 cm | Width: 42 cm

  • 4" Small & 4" Large (100 mm)*

    • Block Dimensions: 100 mm x 100 mm x 65 mm

    • Box Quantity: 276 Cubes per Carton

    • Carton Dimensions: Height: 61 cm | Length: 77 cm | Width: 42 cm

  • Huge (150 mm)

    • Block Dimensions: 150 mm x 150 mm x 142 mm

    • Box Quantity: 48 Cubes per Carton

    • Carton Dimensions: Height: 60 cm | Length: 56.5 cm | Width: 45 cm

*Note: Small hole and Large hole variants are available in the 3" and 4" sizes to perfectly match the size of your initial propagation plug.

Step-by-Step Propagation Guide:

 

1.Condition and soak your cubes:Conditioning.

Prepare your Cultiwool blocks by soaking them thoroughly in a mild, pH-adjusted starter nutrient solution to condition the stonewool fibres and stabilise the rooting environment.

2.Sow your seeds or insert cuttings:Sowing.

Place 1–3 seeds into the pre-formed hole in the centre of each cube, gently pressing them down 1–2 inches, or insert your freshly prepared clone cuttings.

3.Keep in early darkness:Incubation.

Arrange the cubes on a clean propagation tray and place them inside your propagator setup, keeping them away from direct light until initial germination or root strike occurs.

4.Introduce light and transplant:Establishment.

Once the seeds have germinated or roots show, introduce your nursery lighting. When 3–4 true leaves have appeared and roots emerge from the block, plant or plug them directly into your primary hydroponic system.

 

Technical Specifications

Metric / Attribute Specification Details
Brand Cultiwool
Material Base Premium Hydroponic Stonewool (Rockwool)
Primary Use Case Seed Germination, Cutting Strike, & Early Veg Blocks
Fiber Technology High-Airflow Matrix with Targeted Bottom Drainage
Available Sizes 40mm | 75mm (3") | 100mm (4") | 150mm (Huge)
System Compatibility Flood & Drain Tables, Deep Water Culture (DWC), Drip Irrigation
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Premium Growing Media

Explore our range of growing media including coco coir, perlite, rockwool, soils and potting mixes, everything you need to build the perfect foundation for your plants.

Not sure how much you need? Use our Garden Calculators to work out exactly the right volume for your pots, raised beds, or grow space.