🍄We grew oyster mushrooms (Pleurotus ostreatus) in spent coffee grounds. I layered coffee grounds and mushroom grain spawn in a used coffee cup (washed and sterilized with 70% isopropyl alcohol). Ratio of 25% grain spawn to 75% moist coffee grounds. Coffee grounds must be used within 24 hours after brewing. Once you add or inoculate the grounds, place in an undisturbed area for 2-3 weeks until grounds are colonized by the mycelium. I removed the lid to allow airflow and misted the top with wate

Oyster mushrooms (Pleurotus ostreatus) grow on various kinds of substrates. They are saprotrophic, meaning they feed on dead organic matter like wood and other plant debris which are made of cellulose, hemicellulose, and lignin. The decomposition of these substances releases nutrients and minerals. There are a few parasitic oyster mushrooms that eat bacteria and nematodes. Oyster mushrooms are used in mycoremediation and are known to remove contaminants in soil, water, and wastewater.In this vid

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