There are the more obvious signs of mold growing in your home. Spotting on your walls, or the musty odor in your basement, but there are also invisible signs of mold growth that we need to pay attention to . Do you experience eye, throat or skin irritation while in your home? This could be a huge indicator of a mold issue. Do you have various degrees of headache? Do you feel fatigued or restless while in your home? These are signs of mold colonizing in your home.