I've been noticing a bad sewer-like smell that happens when I run the dish washer. The house is older, and the setup under the kitchen sink is a bit confusing. There was once a garbage disposal, but it was removed. The Torani bottle you can see in the picture is full after the dishwasher runs.
My first thought is that I need to clean the trap, and the second is that the black hose should either be higher than the drain from the sink. But the whole setup seems weird. Is something wrong the setup?
Best Answer
I think that the pipe from the dishwasher does not have a high point before its connection to the sink drain. So water flows from the sink into the dishwasher drain pipe and sits there. All you need to do is clamp the dishwasher drain pipe to near the top of the cabinet right before the connection with the sink drain.