Cultiwool 4x4x4 Hydroponic Grow Cubes - 144 Blocks per Case for Seed Starting, Cloning & Hydroponic Gardening

Cultiwool 4" x 4" x 4" Growing Blocks (144 Blocks/Case)

Cultiwool 4" x 4" x 4" Rockwool Blocks are sold by the case.

Struggling with inconsistent water distribution in your hydroponic growing setup?

The Cultiwool 4" x 4" x 4" Growing Blocks deliver superior water uptake and homogeneous distribution throughout the substrate, ensuring optimal growing conditions for your plants.

These premium stonewool blocks are designed for hydroponic growers seeking consistent, reliable growing media with advanced water management features.

Each 100mm x 100mm x 100mm block features rapid water absorption with uniform distribution technology, providing the consistent moisture levels essential for healthy plant development. The innovative design ensures your plants receive optimal hydration without waterlogging or dry spots.

Cultiwool's blocks incorporate cross grooves at the bottom for improved drainage and reduced ground contact, minimizing disease risk from root pathogens. The integrated black/white foil wrapping prevents algae growth while maintaining proper light management.

Built with high-quality European stonewool and featuring industry-first donut ring technology, these blocks provide professional-grade growing media with enhanced dripper placement accuracy and water chamber functionality.

Product Highlights

• Innovative Donut Ring Technology: First-to-market water chamber design for precise dripper placement and superior water distribution
• Drainage Groove System: Bottom grooves improve water flow and reduce disease risk by limiting ground contact
• Algae Prevention: Black/white foil wrapping prevents unwanted algae growth while optimizing light conditions
• Consistent Water Distribution: Homogeneous water uptake throughout the entire 4" x 4" x 4" block
• Professional Grade Quality: High-quality European stonewool construction for reliable performance

Cultiwool 4" x 4" x 4" Growing Blocks Features

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Donut Ring Technology

Industry-first water chamber design ensures perfect dripper placement and homogeneous water distribution throughout block.

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Drainage Groove System

Bottom drain grooves improve water flow and reduce ground contact, minimizing disease risk from pathogens.

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Algae Prevention Foil

Black/white foil wrapping prevents algae growth while maintaining optimal light management for healthy plant development.

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Premium Stonewool Quality

High-quality European stonewool construction provides consistent texture and reliable water retention for professional results.

Cultiwool 4" x 4" x 4" Growing Blocks Specifications