Looking to recycle rain water as your drinking water? Well, it’s not a bad idea if you have a good filter and there’s a great guide that shows you how to filter harvested rain water for drinking with sand. I bet you could probably even do this with charcoal.
Pollution, particles from the air, debris from the collection system (your gutters) are not things you want to find in your tall glass of ice water. Instead of investing in a garage-sized Brita pitcher, Stephen and Rebekah have another idea: sand.