Extra Large Mushroom Grow Bag - Oxo-Biodegradable [5.0 micron filter]

Composed of oxo-biodegradable polypropylene plastic, this 'extra large' sized, autoclavable mushroom filter patch myco bag measures 10" x 5" x 24" with gusseted sides and a 5.0 micron filter that measures 2.0-inch x 3.0-inch. The 5.0 µm filter is composed of laminates of non-woven polypropylene with PTFE and is the only part of the bag that is not oxo-degradable. The plastic of this bag is 3.0 mil thick. An additive is mixed with the polypropylene plastic that allows it to degrade after it has been discarded. Oxidation through heat or ultraviolet light is responsible for breaking down the chemical structure of the polypropylene, classifying these bags as oxo-degradable mushroom bags.

This 'XL Large' sized bag can comfortably hold twelve (12) 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 5.0 µm filter offers the highest amount of gas exchange of any of our filters which makes this bag ideal for fruiting mushrooms inside of. These bags make great fruiting chambers for many species of mushrooms. Additionally, these bags can be used for substrate production. The 5.0 µm filter is not recommended for grain spawn production, as the larger 5.0 µm pore size of the filter is not as effective filtering contaminants when compared to the 0.2 or 0.5 µm filters that we offer. 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. You will need to seal these bags with an impulse sealer or mushroom bag clamp.

These bags 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.


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