Tips for Cleaning a Bathroom Using WD-40

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Cleaning a bathroom with WD-40 is a quick and effective method. Start by spraying WD-40 on faucets, showerheads, and other metal surfaces to remove water stains and soap scum. Let it sit for a few minutes, then wipe clean with a cloth. For stubborn stains, use a toothbrush or scrub brush. WD-40 can also be used to clean toilet bowls and remove hard water stains. Simply spray it on, let it sit for a few minutes, then scrub with a toilet brush. Remember to ventilate the bathroom while using WD-40 and rinse surfaces thoroughly with water after cleaning.


WD-40 is not only useful for lubricating doors and silencing squeaks, but it can also serve as an effective bathroom cleaner. The name WD-40 stands for Water Displacement, 40th formula, indicating that it took chemist Norm Larsen 40 attempts to create the product in 1953, as stated on the WD-40 website. Larsen’s goal was to develop a formula that could displace water and prevent corrosion, resulting in a versatile product with various applications. However, when using WD-40 for cleaning purposes, it is important to ensure proper ventilation in the room.

Make Your Toilet Bowl Sparkle

WD-40 is highly effective in removing stubborn lime stains from toilet bowls. To use it, simply spray WD-40 directly onto the stained areas, allowing it to sit for a few minutes. Then, use a toilet brush to scrub away the lime stains, and finally, flush the toilet to rinse the bowl.

Clear a Clogged Bathtub Faucet

Mineral deposits from hard water can accumulate and clog your bathtub faucet. To address this issue, spray WD-40 upward into the spout towards the diverter valve. Repeat this process a few times to lubricate the valve and eliminate any clogs.

Keep Your Showers and Tiles Spotless

WD-40 serves as an excellent cleaning solution, offering a milder alternative to many chemical cleaners. It can effectively remove soap scum from shower doors and help prevent the growth of mildew. To use, simply spray WD-40 onto a cleaning cloth and wipe away the soap scum.

Eliminate Rust Stains

If you have rust stains on your porcelain fixtures, caused by aerosol cans such as hairspray or air fresheners, WD-40 can help remove them. Spray WD-40 onto a cloth and use it to wipe away the rust stains. For more intensive rust removal on chrome fixtures, consider using WD-40 Specialist Rust Release Penetrant Spray, a specialized product designed specifically for this purpose. Apply the spray directly to the affected areas, allow it to sit for a few minutes, then use an old toothbrush or fine steel wool to scrub off the rust.

Get Rid of Scuff Marks

WD-40 is highly effective in removing stubborn scuff marks and tar from various types of flooring. While it is generally safe for most flooring materials, it is advisable to test it on a hidden spot first. Simply spray WD-40 directly onto the scuff marks and wipe them away using paper towels or a cleaning cloth. Repeat the process if needed. This method can also be used on kitchen and hallway floors.

Keep Spiders at Bay

Bathrooms are a common hiding spot for spiders due to the presence of water. Fortunately, WD-40 can repel spiders just like chemical repellents. Spray WD-40 on doors and windowsills to deter spiders from entering the bathroom. Additionally, this method can also help keep out other insects such as cockroaches. However, if you have children or pets at home, it is not recommended to use WD-40 in this manner.

You can also use WD-40 around other windows and doors in your home to prevent insects from entering.

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