IDEA Turn your fishtank into a dishtank by stocking it with fish which are habitual OMNIVOROUS MICROGRAZERS.
I'm sure there are plenty of such species though I'm expert in fridge-grazing only.]
All you have to do then is put your dirty dishes, pots and all into the DishTank, pull up a chair
and watch the fun as the fish literally polish off the dishes.
The DishTank could be made self- sustaining by adjusting the number of fish and adding snails and plants etc to keep the water and glass clear.
Just think : no polluting cleaning powder; minimal electricity used for a light maybe, and low set-up and running costs compared with a standard dishwasher.
And of course it's an idea silly enough to halt your guests' after-dinner conversation when you stroll over to the DishTank and casually begin loading it with their dishes.