This idea would eliminate the necessity of soap bars during a bath. Imagine a spa/tub that has soap dispensers that allow the soap to saturate the water to the point that the water becomes your hygiene source. After bathing, you could push a button to drain the soapy water and simultaneously fresh, warm water is gently being poured into the spa/tub to rinse away the soap from your body; sort of like a low shower because your sitting down. The spa/tub would be equipped with 4-5...