23+ Musty Smell Coming From Kitchen Sink Kitchen Background. Hi, the musty smell is likely coming from a leak behind your dishwasher, sink or washing machine. A musty smell under your kitchen sink can make it unbearable to be in this room.
What causes kitchen sink odors? Similar to both showers and toilets, a lack of water in the trap can cause sewer odors to come up through the sink drains. It can improve if i pour a kettle of boiling water down it but only temporarily and im sick of it.
Its the side that has the 90 degree pipe.
The tips i've provided here should do a great job at keeping unwanted clean under the floor as best you can (or wherever the smell is coming from) and let the air get at it when you can. (i have also tried gain and tide detergents and gain and snuggle brand fabric softener. This usually signals mold or mildew, which could become a big problem for both your home and your health if not quickly remedied. I have tried drain cleaner and the water drains perfectly.