There is no such thing as sterile potting media. Learn the truth about this gardening method and save time.Fungus Gnats: https://www.gardenmyths.com/fungus-gnats-home-remedies/👍 25% off all my New Society Published books. Use Discount Code: Pavlis25https://www.GardenMyths.com/Pavlis25👍 Get FREE eBook : Growing Great Tomatoes: https://www.gardenmyths.com/free-ebook-growing-great-tomatoes/