ShroomCore ™
Mushroom Injection Grow Bags with Filter Patch — 12" × 8" × 5", 2 mil Thick Polypropylene, Autoclavable, With Self-Healing Port
Mushroom Injection Grow Bags with Filter Patch — 12" × 8" × 5", 2 mil Thick Polypropylene, Autoclavable, With Self-Healing Port
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ShroomCore ™ is committed to producing the highest quality mushroom products. We guarantee free replacements within 30 days of receipt for any product that arrives damaged, contaminated, unusable, or doesn't grow.*
Processing Times
Processing Times
US stock (kits, cultures, tools): 1–3 business days processing.
Large equipment (>$100, made-to-order for best quality): 25–35 calendar days processing.
Ground transit (UPS / FedEx / USPS): 2–7 business days.
See full details in our Shipping Policy.
Precise size and heat resistance — When filled with substrate each bag expands to 12" H × 8" W × 5" D forming a compact rectangular block. Made from 2 mil (0.05 mm) polypropylene it is durable under sterilization up to 25 psi and 350°F.
Durable material — The 2 mil polypropylene film provides strength for handling stacking and long colonization cycles without tearing or warping.
Injection-ready design — Equipped with a self-healing silicone injection port making inoculation with liquid culture syringes clean simple and contamination resistant.
Reliable gas exchange — Integrated 0.2 μm filter patch ensures optimal airflow for mycelium growth while keeping out contaminants.
Practical for growers — Transparent flexible and easy to seal with an impulse sealer or simply fold and tie these bags are ideal for grain spawn or bulk substrate whether in labs workshops or small farms.
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