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White Cultiwool package with orange logo, containing horticultural mini slabs.

Cultiwool Mini Slabs 10" x 8" x 3" (36 Slabs/Case)

Reduced Price:
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Cultiwool Mini Slabs 10" x 8" x 3" (36 Slabs/Case)

Struggling to achieve consistent, professional-grade results in your final growing stage? The Cultiwool Mini Slabs are engineered to solve that problem, providing the perfect substrate volume and advanced fiber technology for maximizing crop yield and quality.

Crafted from high-quality European stonewool, these slabs deliver unparalleled homogeneity and a specialized vertical fiber structure. This design ensures uniform water and nutrient distribution, eliminating dry spots and promoting vigorous root development. Designed as the ideal final-stage medium, these slabs perfectly accommodate transplants from smaller starter plugs or growing blocks, ensuring a seamless transition for your plants. As a leader in hydroponic media, Cultiwool ensures every slab is fully sealed to maintain sterility, giving your crops a clean, protected environment to thrive. Elevate your cultivation with a medium trusted by professionals worldwide.

What's Included

  • 36 x Cultiwool Mini Slabs (10" x 8" x 3")

Features

💧
Optimal Water Distribution

Vertical fiber orientation ensures water and nutrients are evenly distributed, promoting healthy root development.

🌿
Consistent Growth Medium

A uniform substrate structure guarantees reliable, repeatable performance for every crop cycle.

🛡️
Sterile & Protected

Each slab is fully sealed to maintain sterility, preventing contamination and ensuring a clean start.

🏆
Trusted by Professionals

Made from high-quality European stonewool, trusted by commercial cultivators worldwide for superior results.

Specifications

Specification Value
Material Premium Stonewool Slab
Dimensions 10" x 8" x 3" (1000mm x 200mm x 75mm)
Fiber Orientation Vertical (Standard)
Construction Fully Sealed Slabs
Slabs per Case 36 Slabs
Application Final Stage Crop Growing
Custom Options Horizontal Fiber Available on Request
Selling Unit Case Only

FAQs

What are Cultiwool Mini Slabs used for?+

They are designed as a final-stage growing medium for hydroponic cultivation. They provide the ideal substrate volume for mature plants after they have been started in smaller plugs or cubes, like the Cultiwool 1.5" Cubes.

How do I prepare the slabs before use?+

Before use, you should fully saturate the slabs with a pH-adjusted nutrient solution. Typically, a pH between 5.5 and 6.0 is recommended. Allow them to drain completely before transplanting your crop.

What is the benefit of vertical fiber orientation?+

The vertical fiber structure promotes optimal water and nutrient distribution throughout the entire slab. This encourages roots to grow downwards, creating a stronger, healthier root system and preventing dry spots.

Can I use these slabs with any hydroponic system?+

Yes, these mini slabs are versatile and compatible with various hydroponic systems, including drip irrigation, ebb and flow, and deep water culture (DWC) setups. They are a staple product in the Cultiwool lineup for their adaptability.

What size growing block should I use before transplanting to this slab?+

These slabs are compatible with a range of starter media. For a seamless transition, we recommend using blocks like the Cultiwool 4" x 4" x 4" Growing Blocks, which fit perfectly onto the slab surface.

Are the slabs sterile?+

Yes, each slab is fully sealed in its own wrapping to maintain sterility and protect it from contaminants and algae growth until you are ready to use it.

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