The 10-Second Sugar Water Trick for Smelly Plastic Containers

Plastic food storage container

Have you ever opened a plastic food container and noticed that the smell of kimchi, curry, garlic, or other strong foods just won't go away? Even after washing it several times with dish soap, stubborn odors can sometimes linger — especially in plastic containers that have been used to store strongly scented foods.

Before you throw the container away, try this simple sugar water trick. It takes only about 10 seconds to prepare, uses ingredients you already have at home, and may help freshen up those smelly containers.

How to Remove Odors with Sugar Water

All you need is sugar and water.

Add water and sugar to the container at about a 2:1 or 3:1 ratio of water to sugar.
Close the lid tightly.
Shake the container well for about 10 seconds, making sure the sugar water reaches all sides.
Turn the container upside down and let it sit for 1–2 hours.
Empty the container and wash it thoroughly with dish soap and clean water.
Let it dry completely before using it again.

That's it! This easy method is especially worth trying on plastic containers that have held kimchi, curry, garlic, onions, fish, or other strong-smelling foods.

Why Does the Sugar Water Trick Help?

Plastic food containers can sometimes hold onto food odors, especially around tiny scratches, corners, grooves, and lid seals.

A concentrated sugar-water solution is a simple household method that may help loosen and reduce lingering odor-causing residues when the container is shaken and allowed to soak. Turning the container upside down also helps the solution reach the lid and upper areas where odors can linger.

Quick Tip: The Sugar Water Odor Trick

What you need: Sugar + water
Mixing ratio: About 2–3 parts water to 1 part sugar
Shake: About 10 seconds
Let it sit: 1–2 hours, upside down
Finish: Wash thoroughly and let it dry completely

Before you throw away that smelly plastic container, try the 10-second sugar water trick — it's simple, cheap, and easy to do at home!

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