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Ask The Experts

ICAN/ATEX: How do I remove coffee stains from carpet?

June 27, 2013
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Many cleaning professionals visit the International Custodial Advisers Network (ICAN) Ask the Experts page for insight and, every business day, we deliver advice to better help you perform your job.

Thursday’s Question:ICANATEX Logo

How do you remove old coffee stains from carpet?

Thursday’s Answer:

Coffee can be difficult to remove due to the natural tannin dye.

There are three methods commonly used.

A home remedy is to apply vinegar and blot with a white towel.

Diluting a carpet acidic rinse liquid 1:5 works on most easy spots.

Commercial coffee stain removers are normally effective on difficult or pre-cleaned spills.

However, the active ingredient, sodium metabisulfite can bite your nose and is considered hazardous to breathe.

One way to permanently set a coffee stain is to use a high pH cleaner, so if the spot has been repeatedly cleaned, you may be out of luck.

Often, coffee stains must be removed at elevated temperatures close to the temp at which they entered the fiber.

Formulations from carpet cleaning supply … - Gary Clipperton, president of National Pro Clean Corporation

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