CVG Substrate & Millet Grain All-In-One Bag

Grows Right in the Bag
No tubs, tools, or transfers needed. This all-in-one grow bag is designed to fruit mushrooms directly inside—just inject, wait, and harvest.

Faster Colonization with Millet Grain
Millet’s small grain size offers more surface area for your mycelium to spread quickly and evenly—perfect for beginners and pros alike.

Perfect for Dung-Loving Mushroom Strains
Crafted for species that thrive on nutrient-rich substrates—like Pioppino, Wine Cap, Portabello, and Crimini—this bag supports robust colonization and reliable flushes.

Sterilized for a Clean Start
Each bag is autoclave-sterilized and sealed in an ISO-7 cleanroom with a 0.2-micron filter patch—giving your grow the clean, contaminant-resistant environment it needs.

Crafted by Experts, Made in California
Formulated by mycologists and handcrafted in small batches using organic ingredients—no fillers, just flush-ready performance you can trust.

- Dung Loving All-In-One Inoculation & Fruiting - View Here

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. 

Q: What are the ideal conditions for using this substrate?

A: Store your bag undisturbed and away from direct sunlight. The ideal incubation temperature range is between 65 and 75 degrees Fahrenheit, depending on your chosen species (higher temperatures promote faster colonization).

Q: What kind of yield can I expect?

A: With proper care, you can expect generous yields. The larger the substrate bag, the greater the potential for higher yields and multiple flushes. Yield results may vary depending on mushroom species and growing conditions, but our substrate is designed to support abundant growth across all bag sizes.

Q: Is the process complicated?

A: Not at all! Our substrate is beginner-friendly, with sterilization and pH balance already taken care of, simplifying your cultivation experience. Just inoculate, and you're on your way to a successful cultivation experience, whether you're a novice or an experienced grower.