5It is worth saying that if you are wondering how hanging a bag filled with water at home can repel flies, just follow what I say. As it is known, when water and coins are reflected back into the eyes of insects and pests, they become disoriented. These creatures have difficulty seeing and flying, so they quickly learn to avoid the area where the hanging bag is located. The best part about this tip is that it’s completely human; No chemicals or insecticide needed!
