You need something to catch the water. A roof works great. Your house, a shed, even that rickety old dog house—anything that says “slope” is your friend.
We’re hijacking your existing gutter system. It already does half the work, just tragically sends the water into a drain. Let’s fix that tragedy.
Clean your gutters first. Seriously. A clogged gutter full of squirrel nests is a disaster waiting to ruin your rain party. You want clean water, not leaf soup.