Mushroom Substrate

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Manure Based Mushroom Substrate - 5lb Bag

26 reviews
$27.00
Pasteurized Mushroom Casing Mix

5 reviews
$7.00
Wood-Based Mushroom Substrate Bag

2 reviews
$27.00
Pasteurized Wheat Straw (5lbs)

1 review
$20.00
Discover the perfect substrate for your mushroom cultivation journey with our premium collection at Out Grow. Whether you're a seasoned grower or just starting out, our selection of high-quality substrates is designed to support the optimal growth of various mushroom species. From nutrient-rich manure-based substrates to versatile wood-based options, each product is fully hydrated, sterilized, and ready to use.