100% Soy Hull Mushroom Pellets - Ideal and Fast-Growing Substrate for Mushroom Cultivation, Oyster Mushrooms, Shiitake, and More (80 Pounds Total)

100% Soy Hull Mushroom Pellets - Ideal and Fast-Growing Substrate for Mushroom Cultivation, Oyster Mushrooms, Shiitake, and More (80 Pounds Total)

Q: Are these organic or conventional?

These are Conventional, but we hope to have Organic as well shortly.

Q: Soy is known to be drenched in herbicides, etc., especially the hulls. Have these been tested?

No clue about being "tested". But they worked like a charm. King Oyster was awesome.

Q: Is this hulls only or hulls and oak 50/50

These are 100% Soy Hull Pellets. We have a separate listing for Fast Fruiting (aka Masters Mix) which is 50/50 Oak and Soy Hull Pellets.

Product ID: 207136153

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Details

Indoor/Outdoor Usage
Indoor
Brand
Material Feature
Organic
Special Feature
100% Soy
Expected Blooming Period
Year Round
Item Weight
80 Pounds

🌱100% natural soy hull pellets

💧moisture-activated nutrient release

⚖️80 lbs bulk for large-scale cultivation

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Description

🍄 Elevate your mushroom game with nature’s premium fuel!

CHEMICAL FREE PURE - 100% natural with zero artificial additives—grow clean, grow green.
NUTRIENT RICH GROWTH BOOST - Soy hulls deliver essential nutrients for faster, healthier mushroom yields.
EFFORTLESS HANDLING MIXING - Pellet form ensures easy measuring, mixing, and transport—no mess, no fuss.
YEAR ROUND INDOOR CULTIVATION - Designed for consistent mushroom blooms anytime, anywhere.
PERFECT PAIRING WITH OAK SAWDUST - Optimized substrate blend for premium oyster, shiitake, and more.

These 80-pound 100% soy hull mushroom pellets provide a nutrient-dense, chemical-free substrate ideal for cultivating oyster, shiitake, and other mushrooms. Designed for easy handling and mixing with oak sawdust, they activate with moderate moisture to support year-round indoor growth and enhanced air purification.

Specifications

Unit Count	4.0 Count
Item Weight	80 Pounds
Moisture Needs	Moderate Watering
Expected Blooming Period	Year Round
Sunlight Exposure	Partial Shade
Indoor Outdoor Usage	Indoor
Additional Features	Air Purification

Have a Question? See What Others Asked

Are these organic or conventional?

What is the moisture content of these pellets?

Soy is known to be drenched in herbicides, etc., especially the hulls. Have these been tested?

Is this hulls only or hulls and oak 50/50

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