On Tue, 21 Jul 2015 05:16:57 -0400, Joe wrote:

Yes, the food particles from the dishes don't pollute the water.
A dishwasher could use 20 gallons of water and if we didn't use detergent,
the waste water would do no harm to the environment.

Hmm. The best oranges I ever ate were from gray water for a leach
filed. People have freaked out about phosphates in detergent.