Outdoor bath tubs are increasing in popularity, and why not? We love outdoor showers and soaking in hot tubs. I find this all very relaxing and therapeutic as well as being Eco friendly. What better way to water a garden after you are done? Bathing in the outdoors makes you feel like one with nature.The thought of filling up a tub with fresh rain water sounds heavenly! It would take a large amount of rain, nevertheless it sounds Divine, and of course the sun could warm the water. There are…