CVG Substrate & Rye Berries Grain Bundle

Regular price $59.99
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Product details & instructions

Why You'll Love It

Sized for Any Grow Setup
Available in 6LB, 9LB, and 15LB kits to suit small home grows or larger monotub harvests. Choose the size that fits your growing goals.

Two-Bag System, Fully Prepped
Includes one sterilized rye berry grain bag and one CVG substrate bag—both sealed and pre-hydrated for easy inoculation and strong colonization.

Inject, Colonize & Combine
Inject your grain bag with liquid culture, let it fully colonize, then mix it with the CVG substrate inside a monotub or grow bag—no pasteurizing or additional prep needed.

Rye Berries: The Cultivator’s Standard
Rye berries are trusted for their balanced moisture retention and dense nutrient content—ideal for dung-loving mushrooms like Pioppino, Wine Cap, Portabello, and Crimini.

Crafted in California by Experts
Made in small batches with organic materials and sterilized in an ISO-7 cleanroom. Developed by trained mycologists for clean, reliable, flush-ready performance.

Instructions

- Growing Mushrooms in a Monotub - View Here

- Creating Grain Spawn - View Here

Safety Information 

To ensure the substrate remains uncontaminated, use clean, sterile tools and environments during handling. 

Follow detailed cultivation instructions specific to the mushroom species you are growing for optimal results.

Product Faqs

Q: How long does it take for mushrooms to grow in a monotub?

A: The time frame can vary depending on the mushroom species, but most mushrooms take 2–4 weeks for colonization and another 1–2 weeks for fruiting after exposure to light and air.

Q: Can beginners successfully grow mushrooms with this kit?

A: Absolutely! Our kit simplifies the cultivation process, making it accessible and rewarding for first-time growers.

Q: What kind of yield can I expect from the kit?

A: While yields depend on environmental conditions, our optimized substrate and quality liquid culture are designed to support a generous harvest of mushrooms.

Q: How does Mycelium promote sustainable mushroom cultivation?

A: We prioritize the use of organic and renewable materials in our substrates and packaging, advocating for cultivation practices that are kind to both our customers and the environment.

Inoculation made easy