Wash the food containers with warm water
The first most effective ways to get rid of greases from the last food you stored in the plastic container is by washing it with warm water. Rinse the container with the warm water, then wash it with a dishwashing soap. Dry it with a kitchen towel. This will help the stain-removing act get started.
Removing the stains from the food container is obviously the main action. You can choose and try some of these ways and see which one works best for your container.
· Let the sun do the work
If the sun shines brightly at the time you want to get rid of the stain from your plastic container, you can try this method. Just like sun fades the color away from your clothes and hair, it could also do the job with your plastic containers. After washing, leave the container under the sun exposure for two, three or more hours. The stain should fade away or even disappear completely. Wash again with warm water if it does.
· Use bleach
In some cases, the sun only can't banish the food stains from the container. This is the time when you may consider using bleach. To do this, make a solution of one part bleach and two parts of water. Fill your clean food containers, and let the bleach soak for half an hour in a well-ventilated area. Afterwards, throw away the bleach solution and by wearing rubber gloves, wash your plastic container with dishwashing liquid and warm water. Dry your container with kitchen towel.
· Deodorize the container
If there is a bad smell coming from your plastic container, use a baking soda solution to clean the container. Mix a teaspoon of baking soda with a cup of water, then using a sponge of a brush, clean the container with the baking soda solution. You can also use a diluted vinegar solution to do this.
One of the methods above should be able to clear the stains and/or stinks in your food plastic container. For future use, spray the insides of the plastic containers lightly with cooking oil before placing the food. This will help prevent the containers from getting stains. Good luck!