When SHTF, water will be one of your most crucial needs and your stored water will only last so long. How will you get water when the bottles run out?
In much of the US, there's plenty of water. It's just not water you want to drink. Our nation has many creeks, rivers, ponds, and lakes, but those sources are full of bacteria and pollution that make it unsafe to drink. Fortunately this problem has some solutions.
You've probably heard of the LifeStraw, a straw that filters water as you drink it. Watch the video to see it in action.