Previously organized spawn jars, commonly grown employing substrates which include rye grains or wild chook seed, are then added. This spawn is definitely the mushroom's mycelium and may colonize the coir/vermiculite combine, finally fruiting mushrooms. Verify EC and pH: If you’re working with coir for hydroponics, take a look at https://zionwofth.rimmablog.com/36703845/coir-door-mat-fundamentals-explained