How to Clean a Shower Door with WD40

Written by kayar sprang
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How to Clean a Shower Door with WD40
Hard water can leave white deposits on shower doors. (shower image by green 308 from

Shower doors can be difficult to clean. They can become crusty from soap scum, residue from shampoo, conditioner, body washes and other shower products. Mineral deposits from hard water can build up on the doors and be especially hard to remove. WD-40, which is a popular product that displaces water, has many household uses. One of those uses is to clean shower doors. It says right on the can that it cleans water deposits, according to WD-40 can remove the whitish residue, clean the glass and shine the metal around the door.

Skill level:

Things you need

  • Clean cloths
  • Scratch-free scrubber

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  1. 1

    Read the instructions and the warnings on a can of WD-40. Open a window to ventilate the room before you begin. Don't inhale the fumes when you use this product.

  2. 2

    Open the shower door. Spray the entire door with a light coating of WD-40. Allow it to set undisturbed for several minutes. Then, wipe the door clean with a clean cloth, according to

  3. 3

    Reapply WD-40 to the shower door if the first application didn't clean off the residue entirely. Allow it to soak again for several minutes. Then, use a scratch-free scrubber to loosen stubborn debris.

  4. 4

    Wipe the shower door clean with another cloth. You don't need to rinse the door. Clean the floor of the shower if any WD-40 got on it. It can make the floor slippery and dangerous.

Tips and warnings

  • According to the WD-40 website, it is safe for most materials including metal, rubber, wood, plastic and painted metal surfaces. However, don't use WD-40 on polycarbonate and clear polystyrene plastic.

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