- 18x Cultiwool 8" x 8" x 8" Growing Blocks
Cultiwool 8" x 8" x 8" Growing Blocks (18 Blocks/Case)
- 18 blocks per case for high-capacity commercial operations
- 203mm x 203mm x 203mm block dimensions for maximum media volume
- Industry-first donut ring technology for uniform water management
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Commercial & Bulk Purchasing
We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.
- You are scaling up your large hydroponic system because your current setup struggles to maintain consistent moisture levels across large plants
- You are upgrading to higher capacity media blocks because your commercial operation requires maximum volume without the risk of waterlogging
- The integrated foil wrapping blocks light completely to prevent algae growth while keeping the root zone dark
- The bottom cross-grooves improve drainage and reduce ground contact to lower the risk of root pathogens
- The donut ring technology ensures proper dripper placement and uniform hydration throughout the media
- Growers managing large-scale systems say they stopped seeing dry spots in their media after switching to these uniform blocks
- Commercial cultivators using the integrated foil wrapping say they no longer waste time fighting algae buildup around the root zone
Cultiwool 8" x 8" x 8" Growing Blocks (18 Blocks/Case)
Struggling to maintain consistent moisture levels in your largest hydroponic plants? The Cultiwool 8" x 8" x 8" Growing Blocks are engineered to solve the challenges of large-scale cultivation by providing superior water uptake and homogeneous distribution throughout the substrate.
These premium stonewool blocks are the ideal solution for commercial growers and serious hobbyists who require maximum growing media volume. Designed specifically for high-capacity systems, each 203mm x 203mm x 203mm block ensures your plants receive optimal hydration without the risks of waterlogging or dry spots. For growers starting with smaller stages, these blocks integrate perfectly with the Cultiwool 6" x 6" x 6" Growing Blocks or Cultiwool 4" x 4" x 4" Growing Blocks for a seamless transplanting process.
Built with high-quality European stonewool, Cultiwool incorporates innovative cross-grooves at the base to improve drainage and minimize ground contact, significantly reducing the risk of root pathogens. The integrated black/white foil wrapping provides a dual benefit: it prevents algae growth while maintaining precise light management for the root zone. Featuring industry-first donut ring technology, these 8-inch cubes offer professional-grade water management for the most demanding growing operations.
What's Included
Features
Donut Ring Tech
Industry-first water chamber design ensures perfect dripper placement and uniform hydration.
Maximum Volume
Massive 8-inch cube provides the largest available growing space for commercial-scale plants.
Drainage Grooves
Bottom cross-grooves improve water flow and reduce disease risk by limiting ground contact.
Algae Prevention
Black/white foil wrapping blocks light to prevent algae growth while optimizing conditions.
Commercial Grade
High-quality European stonewool delivers consistent texture and reliable performance.
Specifications
| Specification | Value |
|---|---|
| Material | Premium European Stonewool |
| Dimensions | 8" x 8" x 8" (203mm x 203mm x 203mm) |
| Plug Hole Size | 38mm / 40mm |
| Quantity per Case | 18 Blocks |
| Special Features | Donut Ring, Drainage Grooves, UV-Resistant Foil |
| Selling Unit | Case Only |
FAQs
Donut Ring Technology is an industry-first water chamber design integrated into the block. it ensures perfect dripper placement and helps distribute water homogeneously throughout the large 8-inch volume for consistent root zone hydration.
Yes, these blocks are designed to accommodate transplants from smaller media. They work perfectly as the final stage for plants started in Cultiwool 4" x 4" x 4" Growing Blocks or Cultiwool 6" x 6" x 6" Growing Blocks.
The pre-drilled hole is designed to fit standard propagation plugs, specifically 38mm or 40mm sizes like the Cultiwool Round Macro Plugs.
The cross-grooves on the bottom of the block enhance water runoff and air circulation. By reducing the surface area in contact with the floor, they help prevent the buildup of root-zone pathogens and improve overall drainage.
The black/white foil wrapping is designed to stay on the block during the growing cycle. It is essential for blocking light to prevent algae growth and maintaining the structural integrity of the large rockwool volume.
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.)
Why Trimleaf
Equipping home growers, craft producers, and commercial operations across North America since 2016.