How to Keep Car Windows Fog Free Using a Potato

Cut a raw potato in half., Rub the cut side of one half potato on the window., Use the other half of the potato if needed., Leave to dry without touching.

4 Steps 1 min read Easy

Step-by-Step Guide

  1. Step 1: Cut a raw potato in half.

    Be sure to use a clean potato, so wash it first if it is coated in soil.

    This is a good opportunity to use up an old potato that has started to sprout and is past its best.

    You can also use up the potatoes going green.
  2. Step 2: Rub the cut side of one half potato on the window.

    Wipe from side to side to cover all of the window.

    This will clean it and leave a layer that will prevent condensation from forming on the window.

    If you notice starch streaks forming, wipe them off.

    You may need to wipe more quickly to avoid leaving any streaks.

    You can also cut off dirtied slices or parts of the potato half and continue with the clean part. , If you're doing all of the windows, you'll probably need to use up both potato halves. , The potato juice should dry clear and the windows will remain fog-free, as the starch in the potato acts as a barrier between the glass and the air.

    While the potato film is drying, don't touch it or you'll leave fingerprints dirtying the window.

    Throw the used potato into the compost.
  3. Step 3: Use the other half of the potato if needed.

  4. Step 4: Leave to dry without touching.

Detailed Guide

Be sure to use a clean potato, so wash it first if it is coated in soil.

This is a good opportunity to use up an old potato that has started to sprout and is past its best.

You can also use up the potatoes going green.

Wipe from side to side to cover all of the window.

This will clean it and leave a layer that will prevent condensation from forming on the window.

If you notice starch streaks forming, wipe them off.

You may need to wipe more quickly to avoid leaving any streaks.

You can also cut off dirtied slices or parts of the potato half and continue with the clean part. , If you're doing all of the windows, you'll probably need to use up both potato halves. , The potato juice should dry clear and the windows will remain fog-free, as the starch in the potato acts as a barrier between the glass and the air.

While the potato film is drying, don't touch it or you'll leave fingerprints dirtying the window.

Throw the used potato into the compost.

About the Author

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Samuel Henderson

Samuel Henderson specializes in educational content and has been creating helpful content for over 5 years. Samuel is committed to helping readers learn new skills and improve their lives.

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