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Cultiwool Wide Slabs 36" x 6" x 3" (16 Slabs/Case)

$219.00 USD
starting from 0% interest financing from /mo.

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Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
  • 16 slabs per case provide 48 linear feet of high volume substrate for final stage crops
  • Vertical fiber orientation ensures consistent water and nutrient distribution
  • Standard 36 inch length fits most commercial flood tables and irrigation setups
  • View More Details

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We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.

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THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • You are moving to wide-format slabs because narrow media lacks the root volume needed for heavy final-stage crops.
  • You are switching to sealed slabs because exposed media invites algae growth and contamination in humid environments.

What We Found

  • The vertical fiber orientation makes a noticeable difference in how fast runoff clears compared to cheaper brands.
  • These slabs feel denser than standard consumer grade wool, which helps them hold their shape through long cycles.

What Users Say

  • Commercial crews say switching to the wide format cut down on the time spent stabilizing tall, top-heavy plants.
  • Managers who swapped to these slabs reported fewer drainage issues since the vertical fibers prevent stagnation.

Cultiwool Wide Slabs 36" x 6" x 3" (16 Slabs/Case)

Cultiwool 6'' Wide Slabs are sold by the case.

Are you looking for a more efficient wide-format solution for your final stage crop production? The Cultiwool 6'' Wide Slab is engineered to provide the ultimate substrate volume and consistent performance required for professional cultivation operations. Unlike smaller media, these slabs allow for expanded root zones during the most critical phases of plant development.

These premium stonewool slabs are the preferred choice for professional cultivators who demand reliable final-stage growing media. By utilizing advanced vertical fiber orientation technology, Cultiwool ensures that water and nutrients are distributed evenly, preventing dry spots and ensuring your plants reach their full genetic potential. For growers who need different sizing, we also offer Cultiwool Mini Slabs and larger 40" x 8" x 3" Wide Slabs.

Each 36" x 6" x 3" slab (1000mm x 150mm x 75mm) provides a perfectly homogenous environment for root development. The fully sealed construction keeps your growing area sterile and prevents contamination, while the high-quality European stonewool maintains its structure throughout extended growing cycles, requiring fewer inputs for top-quality yields.

What's Included

  • 16x Cultiwool Wide Slabs (36" x 6" x 3")

Features

📐
Wide-Format Efficiency

36" x 6" x 3" dimensions provide optimal growing space utilization for professional crop production systems.

💧
Vertical Fiber Orientation

Standard vertical fiber construction provides superior water and nutrient distribution throughout the growing medium.

🧪
Superb Homogeneity

Consistent substrate structure ensures reliable performance for successful crops over extended growing periods.

🛡️
Fully Sealed Construction

Professional-grade sealed slabs maintain sterility and prevent contamination risks for consistent growing conditions.

Cultiwool 6'' Wide Slab Specifications

Specification Value
Material Premium Stonewool Slab
Dimensions 36" x 6" x 3" (1000mm x 150mm x 75mm)
Width Format 6'' Wide Format
Fiber Orientation Vertical (Standard)
Construction Fully Sealed Slabs
Slabs per Case 16 Slabs
Application Final Stage Crop Growing
Custom Options Horizontal Fiber Available on Request
Selling Unit Case Only

FAQs

What is the benefit of the wide-format design?+

The 6-inch wide format allows for a larger root zone and better stability for tall, heavy-fruiting crops during the final stages of production, maximizing your vertical space efficiency.

How does vertical fiber orientation help my plants?+

Vertical fibers encourage roots to grow downward naturally and facilitate more uniform drainage and nutrient distribution compared to horizontal fibers, reducing the risk of waterlogged roots.

Can I use these with other Cultiwool products?+

Yes, these slabs are designed to work seamlessly as the final stage after starting plants in Cultiwool 4" x 4" x 4" Growing Blocks or other smaller rockwool cubes.

Are these slabs delivered pre-soaked?+

No, rockwool slabs should be properly conditioned and pH-buffered with a nutrient solution before use to ensure the ideal environment for your plants.

Is the plastic sleeve removable?+

The slabs come fully sealed in a plastic sleeve to maintain sterility. Most growers cut small holes for transplanting blocks and drainage rather than removing the sleeve entirely to help maintain moisture and prevent algae growth.

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Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

Call (360) 800-5535

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