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  • Rockwool Cubes - Grodan Brand

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    What would happen if you heated up basalt (a naturally occuring volcanic rock) to the point where it becomes liquid and decided to spin it like fairy floss? You would end up with an awesome hydroponic soilless substrate! These rockwool cubes are exactly that, with the outcome being a super light, and absorbant hydroponic growing substrate that maintains perfect aeration and moisture levels at all stages of plant growth.

    Rockwool is the ideal growing medium for germinating most types of seeds, propagating cuttings or even growing transplants. High success rates mean you spend less time struggling and more time growing! 

    • Contains no harmful chemicals, weeds, diseased soil or pests.
    • Pathogen free.

    These mats are made by Grodan - the market leader in rockwool. The substrates from Grodan are the only stone wool growing media awarded an EU Ecolabel. Rockwool from the market leader means consistent quality, peace of mind that what's in your rockwool is safe, and better growth!

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    Customer Reviews

    Based on 2 reviews
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    Sally Armstrong

    Great service

    M
    Maggie Seal
    Rockwool cubes

    They are great I have salads growing in them and can start seeds off to later plant in compost.