Mushroom Substrate (10 Pounds)
Give your mushrooms the nutrients they need for a high-yield, healthy culture! With our premium manure-based mushroom substrate, your bountiful harvest is only a few steps away. Combine each bag with 2 of our Sterile Mushroom Grain Spawn Bags and you can easily get started on your mycology journey.
- Fully sealed and sterile substrate (not pasteurized)
- Perfectly hydrated and ready to use in a mono-tub
- Clear usage instructions for beginner mushroom growers
- Packed with nitrogen, phosphorus, potassium, and plenty of other nutrients that facilitate mycelial growth
- Sold in 5-pound bags
Why Use Our Mushroom Substrate?
When it comes to mushroom growing, the type of substrate you use can make or break your mushroom culture.
Get started right awayAll nutrients your mushrooms need, ready-packed in a 5-pound bag. We use organic materials mixed in with coco coir for aeration, gypsum, and water, for a simple yet effective mix bound to keep your mushrooms growing plenty! |
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Minimal contamination riskEach mushroom manure substrate bag is fully sterilized and sealed inside a durable bag. Each bag is also equipped with a self-healing injection port that improves safe inoculation rates. |
Grow a wide variety of mushroomsManure mushroom substrate is most well-known for growing mushroom varieties like Psilocybe Cubensis and Psilocybe Semilanceata, but its nutrient-rich composition works great for lots of common dung-loving mushroom species like the button mushroom or portabello. Always check your local regulations to learn about what you can and can’t grow. |
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Free shipping offer is to the continental U.S. only.
We try to balance cost and speed, free orders ship ground and are typically delivered in 3-5 business days. For most items you can upgrade to USPS Priority for $10-40 (depending on weight) and get it in 1-3 days.
We ship Monday-Friday. Orders ship in 1-2 business days.
All products ship discreetly in plain brown boxes.
Due to the nature of the product we do not offer returns.
We do offer FREE REPLACEMENT or a refund for damage in shipment or contamination on arrival. Please inspect your order upon arrival and contact us immediately if the item is damaged or contaminated so that we can make it right.
Should items be damaged in shipping or arrive contaminated (unlikely), we will replace/refund them at no cost to you.
Please provide us a well lit high resolution photo of the damage and a photo of the injector port in your email to customer.service@mushroomspawnstore.com
We reserve the right to deny replacement of a bag if it looks like it has been injected with spores or liquid culture of any kind.
