To get your bathtub white again, use a paste of baking soda and hydrogen peroxide or a vinegar and dish soap spray, letting it sit before scrubbing with a soft brush or sponge and rinsing well; for tougher stains, try Barkeeper's Friend, or for acrylic tubs, sanding with fine-grit sandpaper might be needed for deep yellowing. Always rinse thoroughly and dry with a microfiber cloth to prevent streaks.
You can turn a bathtub white again with hydrogen peroxide, which works as a natural bleach without the harsh odor. Put hydrogen peroxide in an opaque spray bottle and spray the bottom of the top. Let it sit for 15 minutes, then rinse.
Best Solutions for Whitening an Acrylic Bathtub
Enamel sanitary surfaces:
This illustrates that the material is extremely tough which makes it perfect for using as a bath. In order to clean your enamel bath a mixture of water and white vinegar will be sufficient. If there are tougher stains sprinkle a little baking soda followed by the vinegar and water solution.
It might be how you're cleaning it! Are you using an abrasive cleaner, or just one of those sprays? If you're just getting the top layer of dirt off but there's still a bit of soap scum, that gives all the little dirt particles something to grab onto and your tub can look dirty again in like 2 uses versus 2 weeks!
Combine two parts vinegar and one part water in a spray bottle and spray the entire bathtub. Allow this soaking solution to sit in the tub for 15 to 20 minutes. Use a cloth or sponge to remove the dissolved dirt and soap scum from the tub. Rinse the tub and use a microfiber cloth to remove excess paste or solution.
Avoid using bleach to clean your tub if it's an acrylic bathtub, since it can damage the surface. Vinegar can also get rid of mold and mildew, so follow the steps for cleaning an acrylic bathtub outlined above to tackle these stains.
Vinegar and Baking Soda Method
Bleach causes the bath to be full of grooves, eating the top layer of the enamel surface, creating craters where unevenly poured and left for long enough to cause it. Opposite to enamel, an acrylic bath is usually more resistant to modern type cleaners and bleach.
The mineral content of hard water can cause yellow-colored stains on your tub's enamel or acrylic surface.
Yes, hydrogen peroxide can help whiten bathtubs by removing stains and discoloration. Simply apply hydrogen peroxide directly to the stained areas, let it sit for a few minutes, and then scrub the bathtub with a sponge or cloth before rinsing thoroughly.
Soak in Rubbing Alcohol
Pour rubbing (isopropyl) alcohol into the plastic container, filling it until all of the yellowed area is covered. Let it work for about 10 to 15 minutes. Pour out the alcohol and wash the container in hot, soapy water.
The biggest thing to keep in mind here is that bleach can be used to clean a white, porcelain bathtub but not an acrylic or colored porcelain tub. If you use chlorine-based bleach on colored or vintage porcelain it will damage the finish. Bleach is also too harsh for any acrylic coating.
It's our favorite bathroom cleaning all-purpose tool. Simply wet the Magic Eraser, wring it out and use it to scrub the surfaces. Mr. Clean Magic Eraser eliminates hard water on shower glass, soap scum on bathtubs, grime on tile and grout and even hairspray and toothpaste residue on counters and sinks.
Dish soap isn't just for dishes; it can serve as an effective cleaner for your bathtub when you're alone at home. The surfactants in dish soap break down grease and grime, making it an efficient choice for tackling soap scum and dirt in your bathroom.
Test with a Magnet
Fiberglass/Acrylic: A magnet won't stick to these materials since they're non-metallic. Steel or Cast Iron: If the magnet sticks, your tub is likely steel or cast iron with a porcelain enamel coating.
Regarding cleaning with your standard household products, some will work better for cleaning acrylic tubs than others. An excellent example of one that works well is Dawn dish soap. Dawn is gentle enough to use on acrylic surfaces and could help cut through the dirt and grime.
Refinishing a Bathtub
At first glance, you won't be able to tell a porcelain bathtub from its enamel counterpart. But there's a simple item you can use to determine bathtub types in this situation: a magnet. Since enamel tubs cover cast iron or steel, they'll be magnetic. So if the magnet doesn't stick, you have a porcelain tub.
To get the best results, follow these steps:
Professional cleaners use a mix of commercial cleaners (like CLR, Kaboom, or specialized pH-neutral formulas) and DIY solutions (vinegar/dish soap/baking soda) for soap scum and hard water, along with tools like microfiber cloths, non-abrasive sponges, grout brushes, and squeegees for various surfaces, ensuring cleaners match the material (avoiding acid on natural stone).
Vinegar has a very low pH level which means it's very acidic, so it can corrode some surfaces over time. For example, using vinegar on natural stone like granite or marble can dull and scratch the surface and it can corrode surfaces like unsealed grout, window seals, and fridge and dishwasher gaskets.
White Vinegar and Warm Water (50/50 Mix)
While vinegar can handle small mold problems, large infestations, hidden mold, or recurring growth usually require professional remediation. Prevention is the real long-term solution. Whether you use vinegar or another cleaner, mold will return unless you address the underlying cause: excess moisture.