My mom taught me this trick to get red stains out of plastic containers with 0 effort. Here’s how it works

For optimal results, let the baking soda sit on the stains for at least 15 to 30 minutes. This gives the baking soda ample time to penetrate the stains and break them down. If the stains are particularly stubborn, you can leave the baking soda on for up to an hour.

During this time, you can go about your day without worrying about your containers. The extended duration allows the baking soda to work its magic, ensuring that even the most persistent stains are lifted by the time you rinse the container.

6. The Science Behind Stain-Grabbing Oils and Sauces

The reason why oils and sauces stain plastic so effectively is due to their chemical composition. Many oils and sauces contain lipids and pigment molecules that are hydrophobic, meaning they repel water but bond well with other non-water-soluble materials, like the polymers in plastic.

When these substances come into contact with the plastic, they seep into the material’s pores and stick, making them difficult to remove with water alone. Baking soda, with its unique properties, interacts with these oils and pigments differently, breaking the bonds and allowing them to be washed away.

7. What Kind of Plastic Containers This Works Best On

This baking soda trick works best on containers made from high-density polyethylene (HDPE) and polypropylene (PP), which are common in kitchenware due to their durability and resistance to heat. These plastics have pores that can trap stains, making them ideal candidates for this method.

However, this method can also be effective on other types of plastic, provided they are not overly scratched or degraded. It’s always a good idea to test a small, inconspicuous area first if you’re unsure about the material.

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