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Raw Ingredients




Product Image Item Name- Price
Dehydrated Horse Manure

Dehydrated Horse Manure

Our horse manure is the best there is for mushroom cultivation. All of our manure originates from purebred show horses that are fed Grade-A organic...
$7.00

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Organic Rye Berries

Organic Rye Berries

Organic Rye Berries. 100% USDA certified organic non-GMO grains. Rye berries are regarded as the highest quality grain to make mushroom spawn out of....
$6.00

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Vermiculite [Coarse Grade]

Vermiculite [Coarse Grade]

Coarse (large) sized vermiculite. Coarse vermiculite is typically used as an ingredient in mushroom substrates for the purpose of retaining moisture....
$2.25

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Vermiculite [Fine Grade]

Vermiculite [Fine Grade]

Fine (small) sized vermiculite. Fine vermiculite is commonly used as an ingredient in mushroom substrate cakes, such as PF-tek style cakes. The PF...
$2.00

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Perlite

Perlite

Natural perlite. Our perlite is large sized (coarse grade) and is free of any additives or chemicals. Perlite is most frequently used to keep...
$2.00

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Coconut Coir Brick

Coconut Coir Brick

A brick of our all-natural coco coir weighs approximately 650 grams and makes approximately 10 quarts after being hydrated. This is an eco-friendly...
$3.99

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Granular Gypsum

Granular Gypsum

Horticultural grade granular (quick-release) gypsum. Gypsum is commonly used as an ingredient in mushroom substrates and casing mixtures. The primary...
$3.50

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Birch Wood Dowel Pins

Birch Wood Dowel Pins

These fluted wood dowel pins are made of birch wood and measure 8mm x 25mm (5/16" X 1"). Perfect for making plug spawn for wood-loving species. To...
$3.00

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Organic Peat Moss

Organic Peat Moss

Pre-sifted organic peat moss. Gourmet Mushroom Supply peat moss comes pre-sifted of large sticks and clumps. Peat is commonly used as an ingredient...
$2.00

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Hydrated Lime

Hydrated Lime

Horticultural grade hydrated lime is frequently used as an ingredient in mushroom substrate casing material. It is primarily used to raise the pH of...
$2.00

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Chicken Manure

Chicken Manure

Dehydrated "Grade-A" poultry manure. Chicken manure is sometimes used as a nitrogen supplement in bulk substrates, especially when spawning to coir....
$4.75

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Wild Bird Seed

Wild Bird Seed

Premium wild bird seed. Our wild bird seed (WBS) does not contain cracked corn and comes completely dry. Wild bird seed is often used as a mushroom...
$2.50

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