I’m not sure how the mycelium would like it, but if you briefly freeze your bags it will kill the sprouts. An imitation of a heavy frost. I’m not a cultivator, but I notice vigour in wild fungi when the soil’s warming, after a frost.

Upside-down text for comments/replies with even the vaguest connection to Australia. Also, the “everything in Australia will kill you” meme has been done to death…