Mycelium Leather

The dutch company Ecovative grows Reishi mycelium into the air, separates it from the substrate and compresses it to make leather. I try to recreate this procedure.

My own experiments

First test in a monotub

First I made grain spawn out of bird seeds. Then I sterilized a box with rubbing alcohol, lined the bottom with a clean plastic film and spread sterilized substrate made of 0.75l hardwood pellets, 0.2l wheat bran and 0.75l water onto the film. I distributed some grain spawn on top of it, closed the box and waited.

The mycelium colonized the surface and grew about 1.5 cm thick as in the pictures.

Then I opened the bag and spread the inoculated substrate on