Oysters are considered a delicacy throughout the world. They are consumed with great satisfaction by many. This without knowing that these wonderful marine creatures have a much greater purpose than filling one’s belly. In fact water filtering using oysters is a process that is being used in various parts of the world.
Water, the life giving element we sometimes take for granted is not always available. During a survival scenario, we will struggle to find water if there are not readily available sources nearby. Once you find it you have to filter water properly to avoid getting sick.