That's water efficiency.Water that is potentially greasy from the hand dish-washing bowl, is removed separately to prevent trapped food particles entering our home-made water efficiency system, but is still used in the garden by hand.Book now before the prices go up!You will find that retail prices are very reasonable and restaurants always have fresh fish on the menu.Look after your water, and it will look after you.Recycled water enables a garden to flourish where water may not otherwise be available - water efficiency.