• A sealed clear plastic bag containing dark, rich substrate with a label reading "SUBSTRATE" and a mycelium graphic.
  • The substrate bag with contents spilling out, showcasing the dark, nutrient-rich composition for mushroom cultivation.
  • Close-up of the substrate mix, highlighting the variety of particles and the moist texture indicating readiness for use.
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    MushroomSupplies Sterilized Mushroom Substrate

    $24.99
    Shipping calculated at checkout.

    Achieve consistently high yields with this proprietary substrate blend, specially designed to provide mushrooms with all the nutrients necessary for healthy growth and bountiful harvests.

    • Perfect for any dung-loving mushroom
    • Comes with instructional videos and guides
    • 100% sterile with hospital-grade testing and batch tracking
    • A proprietary blend of Premium Manure, Vermiculite, Coco Coir, and Gypsum.
    • Lab-quality bag with 0.2 micron filter for air flow
    Product Details

    High Yield Substrate 

    A proprietary mix developed by a team of mycologists. Contains the perfect ratio of Premium Manure, Vermiculite, Coco Coir, and Gypsum.

    Perfect For Medicinal and Dung-Loving Mushrooms

    This substrate is fortified with all the nutrients your mycelium needs to mature from spore to fruiting mushrooms.

    Lab-Quality Grow Bag

    The lab-quality mushroom grow bag has a 0.2 micron filter, allowing for optimal air exchange without risk of contamination.

    Usage

    Mix 5 LBS of substrate for every 3 lbs of colonized grain.

    1. Fully colonize a bag of grain with mushroom mycelium.
    2. Mix colonized grain and substrate in a monotub or grow bag.
    3. Store until mixture is fully colonized.
    4. Allow for air flow in your chosen environment.
    5. Harvest mushrooms once they fruit.
    Specifications
    • Ingredients: Organic Coco Coir, Organic Vermiculite, Organic Colorado Grown Millet, Organic Compost and Organic Pelletized Gypsum 
    • Bag Type: .2 Micron Filter
    • Sterilized?: Yes
    • Use to Grow:: Dung-Loving Mushrooms
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    MushroomSupplies Sterilized Mushroom Substrate