Throughout history, water has been considered an everlasting commodity. However, much is changing and worldwide water supplies are dwindling due to pollution from overuse and industrialization. Water is a necessity for drinking, cleansing, hydrating, agriculture, food processing, power generation and sewage transport; therefore, the further its replenishment becomes unsustainable, regulations dealing with its use will only increase. As a result, the idea of selling hot tubs as a luxury item could become more difficult. Further, it also begs the question, what will the future hold for an industry where water is the integral part of what is sold and serviced?