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Unicorn 14A Mushroom Fruiting Bags – 0.5 Micron Filter

Unicorn Mushroom Grow Bags: Model 14A

  • Best mushroom fruiting / grow bags on the market.
  • Bag size: 19 x 8 x 5 in
  • Can be used for spawn production, substrate prep, or as a fruiting bag for a variety of different mushroom types.
  • Breathable filter designed for gas exchange and to block contaminates.
  • High temp and remains pliable after sterilization.
  • Grow, reishi, shiitake, and many more types of mushrooms.

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Unicorn 14A Mushroom Grow Bags

These medium grow bags ( 8 x 5 x 19 in) feature a 5-micron gas exchange filter patch. Because of the breath-ability of this filter, these bags are ideal for shiitake cultivation.

What are mushroom grow bags?

Simply put, a mushroom grow bag is a bag that is designed for growing mushrooms. These bags are made using materials that can withstand the high temperatures of spawn sterilization, include a gas exchange filter, and some include injection ports. Many different types of mushrooms can be grown in bags, depending on the substrate put in the bag. There are several types of grow bags on the market these days, but the best mushroom grow bags have several things in common.

  1. Made from Polypropylene – This plastic material is durable, flexible, clear, and designed for high temperatures.
  2. Autoclavable – Using an autoclave or pressure cooker to sterilize your spawn medium is a necessity when cultivating mushrooms. Quality bags will withstand the high temperatures while still remaining pliable.
  3. Filter Path – The fine mesh of a filter patch allows the gas produced by growing mycelium to escape while preventing mold and bacteria from contaminating the spawn.
  4. Gusseted – Bags that fold in on the sides allow for increased volume vs using a pillow-type bag.

Due to their ease of use, flexibility, and relatively low cost, mushroom grow bags are a favorite among both professional cultivators and the enthusiastic mushroom hobbyist. Regardless of where you’re at in your journey, mushroom grow bag should be a staple should be considered an essential tool in your arsenal.

There are generally two types of mushroom cultivation bags on the market, 1) grain spawn bags (used primarily for grain spawn), and 2) mushroom grow bags or all-in-one bags.

Highest quality mushroom bags on the market. Don’t sacrifice quality or contamination by using flimsy knock-off bags.

Great for growing mushrooms at home as a grain spawn bag, or use these bags to store bulk substrate for later use.

Additional information

Weight 38 oz
Dimensions 10 × 7 × 6 in

10, 25, 50, 100

Filter Patch

5 Micron




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