
Plastic containers are convenient for storing food, but they can quickly develop a musty taste and odour if not cleaned or stored properly. This happens when food particles are left in the container, or when containers are stored away before they are completely dry, creating an environment for mould and mildew to grow. To remove the musty taste from plastic containers, there are several methods you can try, including using baking soda, lemon juice, vinegar, sunlight, charcoal, or salt.
How to remove musty taste from plastic containers
| Characteristics | Values |
|---|---|
| Cleaning products | Baking soda, lemon juice, vinegar, soap, water, charcoal, coffee grounds, newspaper, salt, vanilla extract |
| Cleaning methods | Rinse, scrub, soak, dry, air out, leave in direct sunlight |
| Preventative measures | Wash containers after every use, ensure containers are completely dry before storing, use airtight bags, store in a cool, dry, well-ventilated area, label containers with dates |
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What You'll Learn

Using baking soda and water
To remove musty tastes and odours from plastic containers, baking soda and water can be very effective. It is a powerful natural deodoriser and can absorb lingering food smells. It can also help to get rid of food stains.
Firstly, rinse the empty container with cool water. Hot water could set in the odour and make it harder to remove. Next, fill the container with warm water and add baking soda. The amount of baking soda can vary depending on the source, from one tablespoon to a "generous amount". The water and baking soda can be mixed to form a paste, which can then be applied to the interior of the container. This paste should be left to sit for at least an hour, although some sources recommend leaving it overnight or for up to two days.
After leaving the paste to sit, the container should be washed with water and dish soap. This process may need to be repeated if the smell persists. The container should then be dried thoroughly before being stored.
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Soaking in lemon juice and water
Soaking your plastic containers in lemon juice and water is an effective way to remove musty odours. Lemon juice is a natural deodorizer, and its citric acid is great at neutralizing odours and breaking down odour-causing molecules.
To start, squeeze the juice of one lemon into the plastic container. If you don't have lemon juice, you can rub a cut lemon slice or a cut lemon all over the interior surface of the container. Next, dilute the lemon juice with equal parts water and add the squeezed lemon halves into the container as well. Secure the lid and let the solution sit for a few hours. After soaking, pour out the lemon juice and rinse the container with water.
You can also try leaving the container open and placing it in direct sunlight for a day or two. The sunlight will help to eliminate odours and lighten any food stains.
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Using charcoal
This method is particularly useful if you don't have access to outdoor space, as some other odour-removing methods suggest leaving containers in direct sunlight. With the charcoal method, you can simply leave the sealed container with charcoal inside in a cupboard or other storage area.
It is worth noting that this process may take longer than some other methods, such as using baking soda or lemon juice, which only require a few hours to work. However, charcoal is a great option if you have the time to leave it, as it is a simple and effective absorber of unwanted smells.
Make sure to check on the container after a couple of days to see if the smell has gone. If not, you can always try another odour-removing method or give the container a wash with soap and water.
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Airing in direct sunlight
Sunlight is a natural and effective way to remove musty smells from plastic containers. The sun's UV rays are a powerful deodorizer, breaking down odour-causing molecules and helping to eliminate unpleasant scents. To use this method, follow these steps:
Begin by rinsing out any larger pieces of food or residue from the container. This ensures that the sun's rays can penetrate all areas of the container and its lid, maximising the deodorizing effect.
Next, place the container and its lid outside in direct sunlight. It is important that the container receives direct sunlight, so choose a spot that is not shaded. If you are unable to access direct sunlight, try to select the sunniest spot available.
Leave the container and lid outside for a minimum of one hour. Some sources recommend leaving them in the sun for a full day or even a couple of days. The longer the container is exposed to sunlight, the more effective the process will be.
After the desired time has passed, bring the container back inside and wash it with soap and water as you normally would. Ensure that you dry the container thoroughly before storing it or using it again.
This method is an effective, natural way to remove odours from plastic containers without the need for harsh chemicals. It is a simple process that utilises the power of nature to leave your containers fresh and ready to use.
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Storing with salt inside
If your plastic container has a lingering odour, there are several household ingredients you can use to get rid of it. One easy method is to use white vinegar and baking soda. However, if you're looking to remove musty tastes and odours from your plastic containers by storing salt inside them, here's what you can do:
Firstly, it is important to wash your containers with soap and water after every use to remove any dirt and lingering odours. Use a soft sponge or cloth to prevent scratches on the container. Make sure your containers are completely dry before storing anything new, as moisture can trap odours and create an environment for mould and mildew to grow.
Now, if your plastic container still has a lingering odour after your regular washing process, try placing a large pinch of salt in it. The salt should absorb the odour overnight. If you're not planning on using the container for a while, you can simply store it with the salt inside until you're ready to use it again. Just remember to pour the salt out the next time you use the container and wipe out the bottom and inside of the container before using it, so you don't get a mouthful of salt!
You can also try a combination of baking soda, vinegar, and salt to remove odours. First, mix one tablespoon of baking soda with one cup of water to create an odour-fighting paste. Rub the paste inside the plastic container, then let it sit overnight to soak up all the bad smells. In the morning, wash out the container with water and dish soap. Finally, place a large pinch of salt in the container, seal it, and leave it for a day to absorb any remaining unpleasant smells.
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Frequently asked questions
There are several ways to remove odours from plastic containers. Here are some of the most popular methods:
- Baking soda: rinse the container with cool water, then fill it with warm water and add a generous amount of baking soda. Leave it overnight, then wash with water and dish soap.
- Vinegar: fill the container with vinegar and cold water and let it sit for three to five hours. Then rinse with cold water.
- Lemon juice: squeeze the juice of one lemon into the container and dilute with an equal amount of water. Leave for a few hours, then rinse with water.
- Sunlight: place the container outside in direct sunlight for a day or two.
- Charcoal: place a piece of plain charcoal in the container, seal it, and let it sit for one to two days.
Plastic containers can quickly develop odours if they are not cleaned or stored correctly. Residual food particles can release odours, and moisture can accumulate, creating an ideal environment for mould and mildew to grow.
Always wash your containers with soap and water after every use, and make sure they are completely dry before storing anything else in them. You can also store strong-smelling foods in airtight bags before placing them in containers to prevent odours from escaping or mixing.
You can try using lemon juice or vinegar, as above, or place the container outside in direct sunlight for an hour or two.
Other methods include using fresh or used coffee grounds, crumpled newspaper, or a pinch of salt. Simply place one of these items in the container, seal it, and leave it overnight or for a few days.











































