A rain barrel is an ideal rain water harvesting system. But what should you look for in a rain barrel? And what can you safely do with stored rain water? Discover the facts about rain water harvesting with a rain barrel.
This is great since we don't have any outdoor hose hookups! How to Build a Rain Barrel. A dual barrel system that uses atmospheric pressure to equalize the water volume in both rain barrels. Use the water from your rain barrels to water your plants.