Survival Water Filtration

The water filter is a three tier system. The first layer, or grass layer, removes the larger impurities. The second layer, or sand layer, removes the smaller impurities. The final layer, or charcoal layer (not the ash but charcoal from a fire), bonds and holds the toxins. All layers are placed on some type of straining device and the charcoal layer should be at least 5-6 inches thick. Layers

Nhận xét

Bài đăng phổ biến từ blog này

Setting a rifle or handgun scope to optical zero before installation.

Survival First Aid: Fractures

Women's Shooting Self-Defense & Target