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Vermiculite:Perlite ?

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  • #1

    Vermiculite:Perlite ?

    Do either, both or none of these absorb/soak up water?

    If I had say 2" of either in a pot stood the pot in shallow tray of water, say 1/4" depth, would either eventually have a damp upper surface ?

    Just thinking of a potential germination option for next year.
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  • #2
    Vermiculite is used for water retention, Perlite is used for aeration although Perlite will absorb a smaller amount of water.
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    • #3
      Here is a little guidance
      Last edited by Cadalot; 02-06-2016, 08:52 AM.
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      • #4
        I had to look it up also recently. I have clay soil at the front of my garden so I mixed it with perlite and compost as water retention is not a problem with clay soil, but aeration is. My understanding is Vermiculite is good for germinating seeds as compost tends to dry out quickly.

        So I guess, it depends on what you want to use it for.

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