Rain Harvesting - A Rainwater Barrel Is Okay, But This Is Better
While your rain harvesting into a pond, you might as well bring your greywater into
it to be cleaned and used as well, rather than piping it to the sewer or septic system. Your sink, shower and laundry water can all be put to use in the garden. Make sure to use non-toxic soaps, shampoos and detergents.
Rain Harvesting - A Rainwater Barrel Is Okay, But This Is Better