I mixed some organic fertilizer and potting soil together to start some seedlings and I am seeing these random hair-like things pop-up in some of my starters here and there. Roughly an inch long, thin as hair with a tiny ball at the top. Not many - just one or two per in^2. I've been removing them all as they pop-up and spraying with Chamomile tea to minimize damping off. Is there something else I can put down to minimize this hair-like fungus stuff?