-7%
Cultiwool CRB Trays Price range: £8.49 through £156.99 Inc VAT
PLANT!T Perlite Price range: £8.99 through £22.49 Inc VAT
Cultiwool Slabs
Price range: £125.99 through £149.99 Inc VAT
High-quality Cultiwool stone wool slabs designed for strong, uniform root development in hydroponic systems. Available as 1m X-Fibre Slabs or compact Mini Slabs.
Description
Cultiwool Slabs
Cultiwool Slabs provide a high-performance growing medium designed for vigorous root development and consistent plant growth in hydroponic systems. Manufactured from premium stone wool, each slab offers excellent water retention, rapid drainage, and a balanced air-to-water ratio—ensuring roots receive the oxygen they need while maintaining stable moisture levels.
Both slab types are produced using Cultiwool’s advanced fibre-spinning technology, creating a uniform, firm structure that supports long-term cultivation without compaction. Completely inert and sterile, they offer a clean rooting environment free from pests and pathogens, making them ideal for professional and hobby growers alike.
Key Benefits:
Premium Cultiwool stone wool construction
Uniform density and superior fibre structure
Excellent air-to-water ratio for strong root growth
Fully inert and sterile medium
Fast and even hydration
Ideal for hydroponic systems and run-to-waste setups
Compatible with starter blocks for easy transplanting
Available in 1m X-Fibre or compact Mini Slabs – 25 x 20 x 7.5cm
About brand
Cultiwool is a specialist manufacturer of premium rockwool growing media designed for professional propagation and hydroponic cultivation. Known for its consistent fibre structure, stable pH, and excellent water-to-air ratio, Cultiwool products create an optimal root zone environment that supports fast root development, strong early growth, and reliable nutrient uptake.
Widely used in commercial grow facilities and advanced home setups, Cultiwool growing media offers predictable performance across every stage of cultivation — from seed germination and cloning through to full crop cycles. The range includes Rockwool Cubes (3”, 4”, and 6”) for transplanting, CRB Trays for uniform rooting and system integration during propagation, and Slabs for high-performance hydroponic growing systems - Ideal for stacking your Cubes on.
Designed for ease of use, consistency, and crop uniformity, Cultiwool substrates help growers achieve healthier root systems, improved plant stability, and more controlled irrigation and feeding programs — making them a trusted choice for precision growing environments.
Why Choose Cultiwool?
Premium rockwool substrates with consistent fibre structure
Excellent water retention and oxygen balance for root health
Ideal for propagation, transplanting, and hydroponic systems
Available in cubes, CRB trays, and slabs to suit all grow stages
Trusted by professional growers for reliability and uniform results
Shipping & Delivery
DELIVERY TIMEFRAME
We aim to process and dispatch all orders within 2 working days of being placed. Wherever possible, parcels are sent on a next working day service to ensure you receive them quickly and reliably.
When your order is dispatched, you will receive a confirmation email with tracking information so you can closely monitor your delivery every step of the way.
Please Note: Delivery times may slightly vary during busy periods, or due to courier service disruptions. Rest assured, we always do our best to get your order to you promptly.
