Bonus: It's practically free.
Kitchen Sink
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Like cleaning our dishwasher, the task of banishing that funky smell from our kitchen sink is another household chore it's time to stop putting off for weeks (ahem, perhaps a few months) on end.

Thankfully, it's a lot easier than you think, especially with this easy — and practically free — technique. "The simple power of hot water is not to be underestimated. If you've just boiled water for something — a bit of pasta or a pot of tea, for example — don't let it cool off on the stove," writes Cambria Bold on The Kitchn. "Instead, pour it down the sink. This may be enough to take care of milder drain smells."

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If you're battling intense odors, there are a few ways you can take an extra step to beat the smell. First, consider adding baking soda and vinegar to the equation by pouring a cup of baking soda down your drain followed by two cups of white vinegar, and then pouring in some boiling water, as The Kitchn reccomends in the same article. Or, for a pleasant citrus scent, swap the vinegar for some fresh lemon juice or your favorite essential oil.

Trust us, once you try any of these methods a few times, you may very well do a 180 and come to look forward to cleaning the ole kitchen sink.