For those living in hot and arid climates, maintaining a garden and watering it efficiently and effectively can sometimes be a big problem. Here in Utah, we have 40-43 C days during July and August combined with the dry desert air. And increasingly like other places around the world, we are suffering from drought and water shortages, making water conservation more and more important. Every day I see ads on TV asking us to conserve water, and rightly so with such a precious, commonly overlooked commodity....