Large Mushroom Grow Bag w/ Injection Port - [3.2 mil] [0.2 micron filter]

This large sized mushroom grow bag with self-healing injection port features extra thick plastic (3.2 mil), measuring 8" x 5" x 20" with gusseted sides and a 0.2 micron filter. This bag is manufactured in China. Some growers prefer this China-made bag over its USA-made equivalent for its extra thick, 3.2 mil plastic. Although thicker than our USA-made bags, the downside of these China-made bags is that the filters are not composed of the same material as our USA-made bags with injection ports. The Chinese filters can be prone to tearing during sterilization. We recommend ordering a small quantity of these bags to test with your application before ordering a larger quantity.

Specifically designed for inoculation with a spore syringe, this grow bag features a foam self-healing injection port built into the plastic of the bag. This premium injectable mushroom bag features heavy-duty 3.2 mil Polypropylene plastic, providing more reliability and less contamination when compared to other myco bags. This 'large' sized bag can comfortably hold seven (7) quarts worth of material (in volume), while still leaving enough room to perform any standard procedure on the bag without the contents (grain/substrate) compromising/encroaching on the filter patch. The 0.2 µm filter is ideal for clean, sterile spawn production. The filter is located at the top of the bag, which allows for more grain or substrate to be loaded into the bag when compared to other bags on the market. The microporous filter patch allows for filtered gaseous air exchange while keeping contaminants out.

The built-in foam self-healing injection port is located towards the bottom of the bag which is the ideal location for inoculating with a spore or culture syringe. You will need to seal these bags with an impulse sealer or mushroom bag clamp.

These bags are not intended to be sealed before sterilization, however they can be successfully "pre-sealed" before sterilizing if all excess air is removed from the bag, excess bag material is neatly folded around the bag, and the bags are allowed to cool slowly and completely before removing them from the sterilizer. If the pressure cooker/sterilizer being used lacks an internal liner, caution should be taken to avoid contact with the internal walls of the unit, as the higher temperature retained by the walls can melt the bags.

  • Extra thick 3.2 mil Polypropylene plastic
  • Built-in self-healing foam injection port for easy inoculation
  • 0.2µm micron filter
  • 8" (length) x 5" (width) x 20" (height)
  • Holds 7 lbs. (weight) or 7 quarts (volume) worth of material
  • Autoclavable; Rated for sterilization temperatures
  • Ideal for spawn production

Not the type of bag you're looking for? Wrong size? Wrong filter? Please view our complete collection of mushroom grow bags.




$1.57

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