Substrate Fruiting Bags

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Grow your gourmet mushrooms with ease using our high-quality substrates and simple, step-by-step process. Here’s everything you need to know to get started:

Choose Your Substrate

Pick from our two premium substrate options:

• aPlusAlpacaRabbit

• Nutrientless (Coir-Vermiculite)

Then, select your preferred bag size (2-pound or 3-pound) and quantity.

Prepare Your Supplies

1. Store Supplies in Advance

   • Purchase or prepare your supplies and store them for 10–14 days to ensure they’re clean and ready for use.

2. Maintain a Sterile Workspace

   • Treat your preparation area like a surgical suite—cleanliness is key!

   • Disinfect your workspace with 70% alcohol and wear gloves and a mask during setup.

Mixing Spawn and Substrate

1. Measure the Spawn

   • For 2-pound bags: Use ~1 pound (or 1 quart) of fully colonized grain spawn.

   • For 3-pound bags: Use ~1.5 pounds of colonized grain spawn.

2. Combine Carefully

   • Mix the spawn and substrate without letting the bags touch to avoid cross-contamination.

3. Seal and Wait

   • Seal the bag with a rubber band or impulse sealer.

   • Thoroughly mix the contents, then press down to form an even cake.

   • Let it colonize for 10–14 days—no misting needed during this time.

   • Once the substrate begins to solidify, place a rubber band around the base (outside the bag) to keep it pressed against the bag’s sides and prevent side pins.

4. Regulate Moisture (Optional)

   • If excess moisture builds up, increase airflow to manage humidity.

   • If the bag appears too wet or pooling occurs, cut a small 2–3-inch slit below the filter once fully colonized and cover it with micropore tape.

Harvest Your Mushrooms

1. Harvest at the Right Time

   • When the veil under the mushroom cap begins to break, open the bag and harvest using a gentle twist-and-pull motion.

2. Maintain Optimal Humidity

   • After harvesting, mist the substrate heavily to keep moisture levels ideal for the next flush.

3. Prepare for the Second Flush

   • Your substrate is ready for another round of growth! Continue monitoring humidity and mist as needed to support additional flushes.

For best results, use your substrate within 30 days of receiving bags.

Bulk Pricing Options

Save big with our tiered bulk pricing:

• 1,000+ lbs: $1.65 per lb

• 2,000+ lbs: $1.60 per lb

• 5,000+ lbs: $1.50 per lb

• 10,000 lbs: $1.30 per lb

Shipping Details

• Bulk orders are shipped on pallets (approximately 1,300 pounds per pallet).

• Shipping costs range from $300–$650 depending on your location (not included in price quotes).

• Contact us for a personalized shipping quote to get the best deal!

By following these steps, you’ll enjoy a clean, efficient, and successful mushroom-growing experience with maximum yields!