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Rockwool Cubes

8 reviews
Number of Cubes

To use these simply soak them in water for 10 minutes before planting two or three seeds (its always good to have a backup) per rockwool cube. The cubes can be partially submerged in water, or bottom irrigated with a trickle of water to keep them moist. Note that they don't need much water as they're super absorbent!

When the roots start to grow out of the cubes, then you can place the cubes within another growth medium, soil, or directly in water and let them grow!

    Specifications

    Dimensions of each cube: 4cm (h) x 2cm (w) x 2cm (l)

    • Tapered cubes to fit into netcups
    • Small indents for cuttings and seeds.
    • Can easily be broken up by hand or with a scissor.
    • Available in 12 packs or 96 packs for better value.
    • Contains no harmful chemicals, weeds, diseased soil or pests.
    • Pathogen free.

    Compatible products

    You can use them in a range of Urban Plant Growers products including:

    We've got an awesome blog post on hydroponic growth mediums that might help you learn more!

    Customer Reviews
    4.9 Based on 8 Reviews
    5 ★
    88% 
    7
    4 ★
    12% 
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    3 ★
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    2 ★
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    Filter Reviews:
      06/12/2021

      Great way to grow

      Always quick delivery xx

      CW
      Chrissie W.
      Australia Australia
      06/12/2021

      Best buy ever

      I have only had one glitch with one of my indoor gardens. The staff were fantastic and had me growing again after one phone call. I have started tomato plants using this system, grown herbs but my best crop was cos lettuce. Love this indoor growing system. Sandie

      SO
      Sandie O.
      Australia Australia
      08/11/2021

      Great product

      I received an eco kitchen smart garden for Xmas last year and have been buying the rock wool cubes whenever I need to plant new seedlings. Easy to use product that sprouts great herbs

      AM
      Annette M.
      Australia Australia
      06/10/2021

      Perfect for my Smart Garden

      Easy to use and work perfectly in my Terra Garden. Highly recommend!

      AM
      Ann M.
      Australia Australia
      21/09/2021

      I think I ordered the wrong item

      TB
      TANYA B.
      Australia Australia
      29/09/2021

      Urban Plant Growers NZ

      Hey Tanya, Happy to help, what were you hoping to order?