Sofia Martinez
Yellowing of plastic shower surfaces is a common issue, often caused by exposure to sunlight or chemicals. While it may seem difficult to restore the original whiteness, several methods can be employed. These range from using household products like vinegar, baking soda, and bleach, to commercial cleaning agents like Comet, Oxy laundry booster, and hydrogen peroxide. Some opt for repainting or speed coating the surface, while others explore heavy-duty options like oven cleaners or retrobright. The chosen method depends on the severity of the yellowing and the desired level of effort.
Characteristics and Values Table for Whitening Yellowed Plastic Showers
| Characteristics | Values |
|---|---|
| Cause | Exposure to sunlight, light, oils, and chemicals |
| Solutions | Bleach, vinegar, baking soda, peroxide-based acne cream, oven cleaner, paint, replacement, retrobright, UV bulb |
| Tools | Paper towels, spray bottle, car buffer, sandpaper |
| Considerations | Avoid bleach on plastic, test on a small area first, use non-abrasive/non-corrosive cleaners, keep blinds shut to prevent UV damage |
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What You'll Learn
Use a peroxide-based acne cream
One method to whiten yellowed plastic in the shower is to use a peroxide-based acne cream. This approach is commonly used in vintage doll collecting circles.
Firstly, inspect the shower to identify the yellowed areas. Then, apply the peroxide-based acne cream to these areas. A commonly recommended product for this purpose is Oxy 10.
After applying the cream, cover the treated areas with plastic wrap. This helps to prevent evaporation and allows the cream to remain in contact with the plastic for an extended period.
For best results, use ultraviolet (UV) light in conjunction with the acne cream. Hang or place UV lights above the treated areas. UV light strips or bars can be purchased online. Alternatively, if you live in a sunny area, you can place the item in direct sunlight.
Allow the plastic to soak in the UV light or sunlight until the stains lift. Then, rinse and dry the plastic thoroughly.
It is important to note that some sources warn against using strong chemicals like bleach or peroxide on plastic, as they may make the material brittle over time. Therefore, always test any cleaning method on a small area first and exercise caution when using potentially harmful substances.
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Try a mixture of vinegar and water
To whiten a yellowed plastic shower, a mixture of vinegar and water can be used. This method is ideal for those who wish to avoid using bleach, which can be harsh and may cause discolouration.
Firstly, mix equal parts vinegar and water in a spray bottle. Generously spray the solution onto the stained area, ensuring the entire surface is covered. Allow the mixture to sit for approximately 20 minutes. Then, using a non-abrasive sponge, scrub the area to remove the stain. If the stain is particularly stubborn, a "magic" eraser or melamine sponge can be used instead.
For an even more intensive treatment, baking soda can be added to the mixture. Create a paste by mixing baking soda with water, and apply this to the grout. Then, use a toothbrush to scrub the paste into the surface, before rinsing with water.
It is worth noting that this process may need to be repeated several times, especially if the doors are heavily discoloured. Additionally, while this method is effective, it is not a quick fix, and each treatment should be allowed to dry completely before reapplying.
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Soak paper towels in a bleach solution and cover the plastic
Bleach is a popular household chemical used for a variety of cleaning purposes. It is a powerful tool for whitening household items, but it can be dangerous if not handled properly.
To whiten yellowed plastic in the shower, you can use a bleach solution and paper towels. First, fill a bucket or large bowl with one part bleach and one part water. Bleach releases toxic gas when exposed to sunlight, so always mix and use bleach solutions in a well-ventilated area. Open windows and use fans to circulate fresh air.
Next, soak the paper towels in the bleach solution. Wet the paper towels, squeeze out any excess, and flatten them again. Cover the yellowed plastic with the wet paper towels, pressing them firmly against the surface. Ensure the towels stick to the plastic and remain moist. If needed, re-wet the paper towels with the bleach solution. You can put the solution in a spray bottle, but be careful not to let the solution spray onto surrounding areas, as it may bleach them.
The soaking time will vary, with most whitening occurring within 2-6 hours. Once the desired whiteness is achieved, remove the paper towels and rinse the plastic thoroughly to remove any bleach residue. If necessary, wash the plastic with dish detergent and water.
As an alternative to bleach, you can use hydrogen peroxide. Fill a spray bottle with hydrogen peroxide and mist the yellowed plastic. You may need to apply several coats, allowing ample drying time between treatments. After the plastic has whitened, rinse and dry it, then apply a coat of carnauba car wax to seal and protect the surface.
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Use a non-abrasive, non-corrosive cleaner
To whiten yellowed plastic in your shower, you can use a non-abrasive, non-corrosive cleaner. Avoid using bleach, as it is corrosive and can discolour the plastic further. Instead, opt for a cleaner with a mild formula that won't damage the plastic surface.
One option is to use a peroxide-based acne cream, such as Oxy 10. This method is commonly used in vintage doll collecting to restore yellowed plastic. Apply the cream to the affected areas and follow the product instructions for the best results.
Another effective option is to use vinegar, which contains acetic acid that dissolves the mineral deposits that cause yellowing. For vertical surfaces, mix vinegar with borax to create a paste that will stay in place. Spread the paste liberally on the discoloured areas and scrub it off after an hour. You can also use a vinegar and water solution, but be aware that it may run off or evaporate quickly on vertical surfaces.
If you're looking for a more intensive treatment, try combining baking soda and vinegar. This method requires more effort but can be effective in removing built-up grime. Always test these methods on a small area first to ensure they don't cause any damage or discolouration.
Additionally, you can try using hydrogen peroxide, which has been known to restore yellowed plastic to a beautiful white. After applying hydrogen peroxide, you can use Carnauba car wax to further enhance the appearance of the plastic. These products are safe to use on plastic and can help you achieve the desired results.
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Paint over the plastic
If you're looking to whiten a yellowed plastic shower, one option is to paint over the discoloured plastic. While it may be challenging to get paint to bond to plastic, it is possible to achieve a smooth and even finish with the correct preparation and products.
First, ensure the plastic surface is clean and free of any dirt or grime. You can use a heavy-duty degreaser for this step. Next, if your shower is made from PVC, prime the surface with a product like Xim Vine Primer. After priming, you can apply a highly waterproof topcoat of paint. Rust-Oleum Appliance Epoxy and Paint is one product that has been used with success on plastic showers, although it is not intended for use on plastics that will be submerged in water. Marine paint may be a more durable option. These products can be found at your local hardware store.
Another option is to use a hydrogen peroxide-based product on the plastic. After cleaning the surface, coat the plastic with the product using a paintbrush. Cover the coated area with plastic wrap to keep it moist, and use a UV light to activate the product and whiten the plastic.
It is important to note that painting may not be the most durable solution, and the paint may not bond to the plastic for long, especially if the shower is flimsy or exposed to hot water daily. Additionally, ensure proper ventilation during the painting process, as paint products can have a strong odour.
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Frequently asked questions
There are several methods to whiten yellowed plastic in the shower. One common method is to use a peroxide-based solution, such as Oxy 10 acne cream, or hydrogen peroxide with Carnauba car wax. Another method is to use a mixture of vinegar and water, or a paste made from vinegar and borax, to treat the discoloured areas. For more heavily soiled areas, a mixture of bleach and water can be applied, but this should be used with caution as bleach can be corrosive and may discolour the plastic further.
Yellowing in plastic shower surfaces is caused by a chemical reaction when the plastic is exposed to light, oils, and other substances over time.
Yes, if the discolouration cannot be removed through chemical treatments, it may be possible to restore the colour by painting or coating the surface. Sanding the surface has also been suggested, but this is a more labour-intensive process.
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