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Thread: RW slab / spreader mat

  1. #1

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    Default RW slab / spreader mat

    Hi guys and gals....

    Has anyone ever heard of anyone using a few inches of spreader mat under a rockwool slab in flood and drain to give a bit more space for roots?

    Thinking about it... has anyone just used spreader mat as a medium?

    I'm currently in mid-setup of a vert sog in a 4'x4' tent.

    Is be very grateful if anyone has any info.

    All the best

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    not sure what its called but i use a spreader mat in nft. buy it on a roll from any hydro store

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    Quote Originally Posted by marque08 View Post
    not sure what its called but i use a spreader mat in nft. buy it on a roll from any hydro store
    Yeah that's the stuff but a hybrid between layers of spreader mat under a rockwool slab for morej root space.

    Atb

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    if you mean you want to lift the rockwool cube off the surface a lot of people use tile spacers in the bottom.

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    Quote Originally Posted by Red_I View Post
    Thinking about it... has anyone just used spreader mat as a medium
    In flood and drain* lol

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    Quote Originally Posted by marque08 View Post
    if you mean you want to lift the rockwool cube off the surface a lot of people use tile spacers in the bottom.
    I have seen people use spacers but Ive seen roots that are just growing out onto the tray and they don't look healthy/strong so I was considering raising the slabs a couple of Inches with spreader mat to keep the excess(if there ever is such a thing lol) roots happy

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