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Waste-eating mushrooms digest plastic & become ingredient to make chocolate protein bars
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this post was submitted on 20 Oct 2025
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Fungi: mycelia, mushrooms & more
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lack of moisture and sunlight.
We're basically talking about mold. It's going to spread, and it's going to grow in places you don't want it to. You can't assume that it won't spread just because the conditions are not ideal. Active planning and prevention will be required.
as a person who professionally grew oyster mushrooms specifically, as well as many other species (for resteraunts and farmers markets, and for fun, side note i highly suggest people try this its super fun and rewarding) for a few years. and has been an "amateur mycologist" for atleast 20 years, ill give my amateur response based off of my purely anecdotal experience, take it as you may.
oyster mushrooms (and all fungi for that matter) need a good environment, they are amazing in their own way, but they need the perfect temp, moisture, and sunlight to grow properly. they are...."finnicky" especially in a controlled environment
you can 100% assume it wont grow in places that arent ideal for its growth. thats a key component to fungi in general. they will wait until conditions are suitable, and then they will spread where they are able, but if those conditions arent available, the simply will not grow or spread.
nutrients, temp, moisture, (indirect) sunlight, oxygen, lack of competition form other organisms. and physical access.
if you dont have that entire list checked off, they will not grow or spread. this wont end up in some uncontrolled wild fire of oyster mushroom madness, bursting through the walls of every home and the wiring of every electronic (although i wish it would, they are delicious)
likely it will be used in controlled disposal environments, ideal for the growth of the mushrooms, a combination of plastics and soils/wood chips/ grains etc. mixed together after a pasteurisation process of both materials, because even though this fungi likes PET, other molds and fungi, bacteria, etc like to eat this mold as well. so if oyster mushrooms havent taken over our lives by now, they arent going to anytime soon without global assistance in every climate. it would basically have to be done on purpose. the plastic would also have to be shredded if it were to somehow grow on it alone, to give purchase to the mycelial growth.
although if i could grow edible oysters out of my recycling bin, you bet your sweet ass id give it a shot.
ive thrown so many blocks in the trash that by now my cities dump would be brimming with them if it was an issue. so far, no dice.
these are just normal ass mushrooms that so happen to eat plastics. and they are tasty.
(im not a paid shill for big mushroom, i just like how they taste fried in a pan with a lil butter n' salt, and know others like them too)