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Indeed, the hardest part is inoculating without introducing contaminants that will out-compete the mycelium (typically trich).

However, this is relatively simple and cheap to do at home — especially using a technique called uncle Ben’s tek. As it happens, pre-packaged rice is the perfect sterile environment for mycelium growth.

Once successfully inoculated, it’s basically a matter of mixing the mycelium with substrate (wood chips or coir depending on the strain) in a container with a lid that allows minimal airflow (a plastic tub for example) and waiting.

The process is really quite simple, and I’ve harvested kilograms of mushrooms with an initial outlay of around $30. Once you have mushrooms, you have spores, and the recurring cost is only substrate (and uncle Ben’s bags or grains, jars, pressure cooker if you want to sterilise them yourself).




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