How to Remove a Calcium Chloride Stain From a Hardwood Floor

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Calcium chloride leaves crusty white stains on hardwood floors.
Calcium chloride leaves crusty white stains on hardwood floors. (Image: Jupiterimages/Comstock/Getty Images)

In inclement weather, homeowners use calcium chloride to melt snow and ice on sidewalks, steps, driveways and walkways around the home. City and town maintenance workers spread calcium chloride on streets and roadways to keep them free of ice and snow. Because calcium chloride, a salt and chlorine compound, sticks to the bottoms of shoes, walking on hardwood floors with calcium chloride-covered shoes leaves crusty white stains. Removing calcium chloride stains from the floor is necessary to keep the hardwood and protective coating from damage.

Things You'll Need

  • White vinegar
  • Spray bottle
  • Towel
  • Microfiber cloth

Mix equal amounts of white vinegar and warm water in a spray bottle.

Spray the calcium chloride stains with the vinegar and water mixture. Let the mixture remain on the calcium chloride stain for two to three minutes.

Blot the calcium chloride stain with a towel to pick up the vinegar, water and briny water.

Continue spraying the stain with white vinegar and water and blotting with a towel until the calcium chloride is no longer visible on the hardwood floor.

Wet a microfiber cloth with warm water and wring it out. Wipe the floor with the damp cloth to remove white vinegar residue. Dry the hardwood floor immediately with a soft, dry cloth.

Tips & Warnings

  • Place a mat near the entry door to wipe the bottoms of shoes and boots.
  • Ask family members and guests to remove shoes and boots when they enter your home.
  • Soak up shoe and boot marks with a paper towel as soon as they occur to prevent stains on hardwood.
  • Don't scrub dried, white, crusty calcium chloride stains with a brush or towel, as scrubbing hard deposits leaves scratches on the floor.
  • Don't leave a wet hardwood floor to air dry, as the water may cause a discoloration on the floor.

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References

  • "2,001 Amazing Cleaning Secrets"; Jeff Bredenberg; 2004
  • "Heloise From A to Z Updated"; Heloise; 2004
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