By tom from OH
I used to have a garbage disposal and I would grind up Orange or lemon peel. It workd for me :)
Get some lemons when they are onsale, cut into small pieces or slices and freeze on a cookie sheet and then put in plastic bag in freezer, and until smell is gone, put one in every night and grind it up. You could also pour in some white vinegar [1/4 cup] or baking soda while garbage disposal is working. Eventually probably only need to do once a week or less.
Treat with Drain care, a natural enzyme that will not hurt your plumbing. Cleans all in there to slick and shiney.
Boil 6-8 citrus peels (I save my lime and lemon peelings in the freezer until I have enough), when the peels are soft, pour the water and rinds down the disposer while it is running. The steam from the boiling water de-odorizes my home, and the softened peels help 'scrub' the disposer compartment. I do this about every other wek.
If you have rotten food in your garbage disposal that won't clear out, it may start to smell very badly. This is a page about sewer smell coming from a garbage disposal.
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Does anyone have a solution on getting rid of a garbage disposal smell? I have used orange peels and lemon peels. No luck! I walk through the kitchen and I smell the garbage disposal.