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Premium 0.22 Micron Medium Spawn Bags 5"x4"x20" (50-PACK)
Description

Microppose Premium Medium Spawn/Grain Bags (50-Pack) are designed to boost colonization speed and yield healthier, larger mushroom fruits—all while saving you money. Each bag comes equipped with a strategically placed 0.22-micron filter patch, delivering excellent fresh air exchange (FAE) for faster, more robust growth. Made from durable 3 mil polypropylene, these gusseted bags help lower the risk of contamination by resisting micro-tears better than cheaper alternatives. Enjoy bigger harvests, fewer contaminants, and easier cultivation with a bag that beats more expensive brands on both quality and price.

  • 0.22 Micron Filter Patch: The generously sized hydroscopic filter patch efficiently promotes FAE, speeding up colonization and improving overall mushroom health.
  • Ample 20" x 5" x 4" Gusseted Design: The roomy interior allows the substrate to expand comfortably, leading to better nutrient distribution and healthier fruiting.
  • 3 Mil Polypropylene Construction: Tough and tear-resistant, this heavy-duty material significantly reduces micro-tears and lowers contamination risks.
  • Enhanced Fresh Air Exchange: By optimizing airflow, you can expect faster colonization times and the potential for larger, more vigorous mushrooms.
  • Exceptional Value: These spawn bags offer premium performance at a lower cost than competing brands, helping you save time and money.
  • Holds 3-4 LBS of grain Spawn

 

$34.99 $34.99 $49.99
Sale 30.01% $15.00 (30.01%)
Shipping calculated at checkout.
In stock

Customer Reviews

Overall rating: 4.7 / 5 from 7 reviews.

Maybe it’s me and I’m doing something wrong but bags melted to the walls of my pressure cooker twice. I tried running multiple bags at 15psi for 2-2.5 hours and failed both times. If I’m running with just one bag that isn’t touching the walls it works great with no issues.

Dominick R. 3/5 Verified

Premium 0.22 Micron Medium Spawn Bags 5"x4"x20" (50-PACK)