How to Get Stains Out of Tupperware?
To get stains out of Tupperware, try sprinkling baking soda in the container and scrub with a paper towel. For tougher stain, try squeezing lemon juice in the container and place in direct sunlight until the stain dissolves. Another way to get stains out of Tupperware is by using white vinegar. Pour the vinegar in the container and then add equal parts of warm water. Let soak for 30 minutes and then rinse.