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Substrate & Spawn

Get your mushroom cultivation started right with grain spawn, sawdust substrate, and pre-formed substrate blocks — the foundation every fruiting mushroom crop needs.

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ShroomTek all-in-one mushroom grow bag with Spore Boostr

'ShroomTek' + Spore Boostr All-In-One Mushroom Grow Bag

Save $105.01
Mass Mycology sterilized organic grain spawn bag with injection port

Mass Mycology Sterilized Grain Bag

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Boomr Bag Sterile Manure Substrate

Boomr Bag Sterile Manure Substrate
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North Spore Organic Sterilized Grain Bags

North Spore Organic Sterilized Grain Bags
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Shrum All-In-One Mushroom Grow Bag

Shrum All-In-One Mushroom Grow Bag

Save $15
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Mass Mycology CVG pasteurized mushroom substrate bag

Mass Mycology CVG (Coco,Vermiculite,Gypsum) Pasteurized Substrate
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CVG (Coco Vermiculite Gypsum) Sterile Bulk Substrate

CVG (Coco Vermiculite Gypsum) Sterile Bulk Substrate
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Mass Mycology Sterile Manure Substrate

Mass Mycology Sterile Manure Substrate

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‘Wood Lovr’ Organic Hardwood Sterile Substrate

‘Wood Lovr’ Organic Hardwood Sterile Substrate
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Organic Wine Cap Mushroom Sawdust Spawn

Organic Wine Cap Mushroom Sawdust Spawn
'Mastr Mix' Sterile Soyhull & Hardwood Bulk Substrate

'Mastr Mix' Sterile Soyhull & Hardwood Bulk Substrate

Save $72