Bulk Growing/Casing

  • Gypsum Horticultural Grade

    Gypsum Horticultural Grade

    Get ready to explore the world of sustainable and ethical mushroom cultivation with FunGuy Grow Supply. We are proud to offer you our Horticultural Grade Powdered Gypsum, the ideal substrate additive for the nature enthusiast in you. Designed for those...
  • Vermiculite Coarse Vermiculite Coarse

    Vermiculite Coarse

    If you're looking to take your mushroom cultivation to the next level while also being environmentally conscious, FunGuy Grow Supply's horticultural vermiculite is the perfect solution. Our vermiculite is not only sustainable and enviromentally safe, but...
  • Premium Wild Bird Seed Bulk - 5lb or 10lb Bag

    Premium Wild Bird Seed Bulk - 5lb or 10lb Bag

    Nature enthusiasts and mushroom cultivators, let us introduce you to the Premium Wild Bird Seed from FunGuy. As conscious consumers, you demand the highest quality products that are both sustainable and ethically sourced, and we've got you covered. Our...
    $11.99 - $21.99
  • Coconut Coir Brick

    Coco Coir (Casing Layer)

    Nature enthusiasts who value sustainability and quality in their outdoor products will love the versatility of Coco Coir. Made from 100% renewable and biodegradable coconut husks, this material is a green choice for mushroom growth and cultivation needs...

Mushroom Substrate & Coco Coir (Casing)

Welcome to the world of sustainable and responsible mushroom cultivation at FunGuy Grow Supply. Here, nature enthusiasts can grow their own gourmet or medicinal mushrooms from the comfort of their homes with ease. Our selection of substrate, compost and casing products are designed to simplify the bulk mushroom growing process. Whether you're new to mushroom growing or looking to take your growing to the next level, we have the mushroom growing supplies you need to achieve a successful harvest.

Our mushroom casing bags and kits are fully hydrated and pasteurized, ready to use straight out of the bag. Our bulk substrate kits include everything you need to create a mushroom paradise, with coco coir and manure compost mixes available to enhance the size, potency, and flavor of your mushrooms.

Anyone new to growing mushrooms, we recommend our All In One Mushroom Grow Bags as the perfect starting point. The mushroom grow bag is filled with a mixture of organic materials and nutrients specifically formulated for growing mushrooms, providing a controlled environment for mycelium growth without the need for separate growing mediums.

As a responsible and sustainable company, we source all of our products from ethical suppliers and ensure that our substrates, casings, grains, and grow bags are made from materials that have a positive impact on the environment. Whether you're looking for bulk substrate, a casing layer, organic grain, bird seed, all in one mushroom grow bag, pre inoculated mushroom bags, spawn bags for sale, or mycology equipment we have everything you need to get started.

Join the mushroom growing community today and bring the taste of nature right to your kitchen with FunGuy Grow Supply's Mushroom Substrate & Bulk Casing.

Grow fresh mushrooms at home with our All In One Mushroom Grow Bag - click now!

Check out our Mushroom Growing Guide! Start growing like a pro by clicking here!