When I first heard about 'gray water', I figured it was some sort of concoction you came up with using a dirty paint palette. It turns out it's a lot simpler. Produced from wastewater from everyday ...

The average American family uses an average of 300 gallons of water every day — and 75% of it goes down the drain. Some of it isn't anything you'd want to reuse around the house (think toilet water), ...