Remove the loose magnesium chloride de-icer, using a shop vac or industrial vacuum. Don't attempt to use your household vacuum to remove the de-icer; you could damage the machine. Continue to run the vacuum over the affected area until the loose de-icer is completely removed.
Magna, or magnesium, chloride is a common ingredient used to bind edible soy products, including tofu, and as a chemical de-icer. The product is effective for melting ice on your walkway but will wreak havoc on your indoor carpeting. Magnesium chloride de-icer effectively melts ice at below-zero temperatures but has a catastrophic effect on your carpeting, according to the Utah State University Cooperative Extension. Use the correct tools to salvage your magnesium chloride-stained carpets.
- Shop vac or industrial vacuum
- Wet/dry vac or towels
- 2 tbsp. liquid dish soap
- Plastic scrub brush
- 1/4 cup rubbing alcohol
Bring 1 gallon of water to a boil over high heat. Continue to heat the water until it reaches a temperature of 180 to 190 degrees Fahrenheit.
Remove the water from the heat and rinse the affected carpet. Allow the carpet to air dry or remove the excess moisture with a wet/dry vac or soak it up with towels.
Create a mixture of 2 tablespoons of liquid dish soap and 1/2 gallon of hot water. Stir the ingredients to create a sudsy mixture and pour it onto the affected carpeting. Work the mixture into the carpeting with a plastic scrub brush to prevent leaving a greasy buildup from the magna chloride.
Create a mixture of 1 gallon of hot water and 1/4 cup of rubbing alcohol. Pour the mixture onto the affected carpet to remove the soapy mixture and any remaining de-icer.
Dab at the carpet with a towel to remove excess liquid and allow it to dry completely before using.
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