Refund policy
Last updated: October 25, 2025
The Nature of Our Products
Our products are sterile mushroom cultivation supplies—including all-in-one grow bags, grain spawn, and substrates. Because sterility and microbial integrity are critical, these items cannot be restocked or resold once they leave our cleanroom. As a result, we handle returns differently than traditional retail products.
Return Window
If your order arrives damaged, defective, or contaminated upon arrival, please contact us within 7 days of delivery. After this period, we cannot guarantee eligibility for replacement or credit due to the perishable nature of sterile materials.
Returns & Exchanges
- Unopened, unused items may be eligible for return within 7 days of delivery if kept in their original condition and packaging.
- No returns are accepted on opened, inoculated, or used grow bags, spawn, or substrate.
- All return requests must include:
- Your order number
- Clear photos of the product and packaging
- A short description of the issue
- Once reviewed, we may offer a replacement, store credit, or refund at our discretion.
What Isn’t Eligible for Return
- Products that have been inoculated or exposed to spores/liquid culture
- Items showing visible signs of use, tampering, or unsealed packaging
- Contamination or failed growth occurring after inoculation
- Orders past the 7-day claim window
- Sale or clearance items
Post-Inoculation Contamination
Once a grow bag has been inoculated, environmental factors such as air exposure, spore quality, and handling methods come into play. Because we cannot verify post-inoculation conditions, we cannot provide replacements or refunds for contamination that develops after injection.
Cancellations
Orders may be cancelled within 12 hours of purchase as long as they have not yet shipped. Once your order is packed or in transit, cancellations are no longer possible.
Refunds (If Approved)
Approved refunds are processed to your original payment method. Depending on your bank or payment provider, funds typically appear within 3–10 business days.
Shipping Costs
- Shipping fees are non-refundable unless the return is due to our error (e.g., wrong item, damaged shipment).
- If a replacement is approved, we’ll cover outbound shipping on the new item.
How to Start a Return or Claim
Email info@bestmushroomgrowbags.com within 7 days of receiving your order. Please include your order number and clear photos so our team can assist promptly.
Summary
We guarantee that every bag leaves our facility sterile, fresh, and ready to grow. While we can’t control what happens post-inoculation, we stand behind our materials, quality, and process integrity 100%.