[mulligan]

We had the same problem, but since I started running the coffee grounds through the disposal, problem solved. The builder disposals are not stainless inside, and they rust, causing a rough surface where odors form. When this one gets replaced, I will upgrade. Also, the drain for my dishwasher goes directly to the sink drain, not through the disposal like in previous homes. The powerful dishwasher detergent will go a long way toward keeping the disposal clean, so I will also re-route the drain.