Interesting thought, that the process of rinsing off soap requires more time spent flushing with water, however, due to the nature of solubility, while plain wa

Interesting thought, that the process of rinsing off soap requires more time spent flushing with water, however, due to the nature of solubility, while plain water removes a lot, a https://en.wikipedia.org/wiki/Surfactant https://en.wikipedia.org/wiki/Surfactant will help remove the rest. Not very much is needed. Your laundry will get just as clean if you do not fill the provided measuring cup with detergent.