Close-up of dark soil with small pebbles and grains visible, creating a rough, textured surface.

Sterilized substrates, grain bags, all-in-one bags

Explore sterilized grain bags, all-in-one grow bags, and sterililized substrates crafted for reliable, contaminant-free cultivation. Each product provides a clean, nutrient-rich foundation to support strong mycelial growth and abundant harvests.

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Frequently Asked Questions

Sterile substrates should be kept at room temperature and out of direct sunlight.

If kept at room temperature and out of direct sunlight, sterile substrates can be stored for several months before use.

Sterile substrates do not require refrigeration, we recommend storing at room temperature. If kept at room temperature and out of direct sunlight, all sterile substrates can be stored for several months before use.

Sterile substrates are processed in a commercial-grade autoclave. Sterility is verified using biological indicators and temperature sensors.

Yes! Monotubs were specifically designed for bulk substrates

Yes! North Spore stands behind its products 100%. Our mission is to help you successfully grow mushrooms, and we are here to help guide you on your mushroom cultivation journey. If you are ever dissatisfied with our products for any reason just let us know. We are always here to help!

When used as an ingredient in your substrate, coco coir does need to be pasteurized or sterilized. When used as a casing layer on fully colonized substrate, it does not need to be pasteurized or sterilized. This is because the risk of contamination is significantly lower in fully colonized substrate.

A cluster of brown-capped mushrooms with long, pale stems against a plain white background.