Today I will write about growing Pleorotus Ostreatus – the Oyster Mushroom – in a plastic bottle.
As substrate, I used spent coffee ground (about 60%), carton (20%), peanut and pistachio shells (20%).
I used an empty water plastic bottle, made in PET 1 (Polyethylene).
The bottle is 1.5 Liter and I used water between 60 and 80 degrees to sterilize it internally, just a couple of washes. In addition, you can add some alcohol inside (don’t inhale in case you do this, hot water + alcohol creates gasses!). Higher temperatures are also possible, but water at 90-100 degrees modify the structure of Polyethylene 1, so it should be used very shortly. Continue reading “Growing Oyster Mushroom on coffee ground in a plastic bottle [EN]”