Item #: V1
Availability: In Stock
Usually ships In 1-2 Days
  • 1 Quart of our Sun-Gro Brand premium horticulture vermiculite
  • Medium Coarse Level (Ideal for Mushroom Growing)
  • Perfect Size for Dunk & Roll or topping off your bulk casing grows
  • Premium horticulture grade, medium course level (Asbestos Free)
  • A very popular add-on item for any Kits/Jars/Spawn Bags & bulk casing grows!
  • Use during fruiting stage to help cakes absorb additional moisture

Price: $1.99


    The perfect size for dunk & roll for up to 24 jars. Our premium horticulture vermiculite is simply the best grade and variety for mushroom growers. Almost all vermiculite sold in local stores is very coarse. It's hard to use properly in the mushroom growing process. We use only medium coarse Sun-Gro Premium grade Horticulture vermiculite in all our products! Vermiculite absorbs water and is a key ingredient in many aspects of mushroom growing and fruiting. Vermiculite is a popular add on to almost any kit or growing project.

    • Use to roll your colonized cakes in after dunking. This helps them stay hydrated and grow bigger.
    • Add a thin layer to any bulk grow and mist with water. This helps it absorb water and keeps the cake better hydrated to create bigger mushrooms.
    • Plus many more!
    Overall Customer Rating of 4 Reviews:

    Fast service, great price, quality product.

    What can I say. Its great vermiculite for all your cultivation needs.


    Perfect Purchase

    • Great price
    • Quick shipping
    • Excellent customer service
    Excellent customer service. Easy check out. Quick shipping. Arrived in perfect condition.


    I have been using MWGK for the past 6 months. I grow specialty mushrooms in the restaurant industry. Great product, easy transaction, and quick shipment.

    West Virginia

    good stuff

    Exactly what I ordered

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