Things You Will Need
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.
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Mix equal amounts of white vinegar and warm water in a spray bottle.
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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.
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Blot the calcium chloride stain with a towel to pick up the vinegar, water and briny water.
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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.
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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.