Plenty of people reach for a can of Coke when a stain is set in, and then wonder whether it actually works on the mess. The answer depends on what the stain is and where it sits, so the details matter. Stain removal with Coca-Cola comes up often, so it helps to know what the drink can and can't do.
Coca-Cola says its cola contains phosphoric acid, but that the drink is a beverage, not a cleaning agent. Its acid is weaker than natural stomach acid. For cleaning jobs, the company says to use regular cleaning products.
4 steps
Step by step
- 1
Start with a detergent
On a cola spill on carpet, the Carpet and Rug Institute's Spot Solver starts with a detergent. Use only that product at this step. Rinse the spot before you move on.
- 2
Follow with vinegar
The same Carpet and Rug Institute sequence then uses vinegar on the spot. Keep it as a separate step, not a mix with the detergent. Rinse between the two products.
- 3
Check the UGA method
The UGA has a soft-drink stain method for fabric and carpet. Use it to check your steps against a second source.
Work one product at a time throughout. Where the advice you find differs, sort out the difference before you start.
- 4
Skip cola as the cleaner
Don't use cola to clean the stain itself. Coca-Cola says it wouldn't recommend using its drink for cleaning.
Regular cleaning products are the choice the company points to. That is the company's own advice on the drink, so it is the first thing to remember.
What cola is good for
Coca-Cola says its phosphoric acid 'can help clean off dirt,' and that is the most the company claims for the drink. It is clear that the drink is 'a beverage, not a cleaning agent,' and that it 'isn't effective at killing germs.' The company doesn't name particular stain types the drink works on.
So don't count on cola for any particular stain. The company also notes that its acid is weaker than natural stomach acid.
Cola stains on carpet and fabric
Cola is a stain in its own right, and carpet and fabric guides treat it as one. The Carpet and Rug Institute's Spot Solver gives a detergent-then-vinegar sequence for cola spills on carpet.
The UGA also has a soft-drink stain method for fabric and carpet. Use one product at a time and rinse between them. Both guides set the order of products, so follow it as written.
Coke as a toilet cleaner
Coca-Cola says cola can clean toilets, with a similar effect to other acidic drinks like lemon juice. The company calls those drinks 'not very good choices for cleaning.' It also says the drink doesn't kill germs, and that lots of products clean much better.
For a toilet, a regular cleaning product is the better pick. The comparison is with acidic drinks, not with cleaners made for toilets.
The cleaning rumors
Some people say cola is a handy household cleaner. Coca-Cola says its small amount of edible acid might do some of the rumored cleaning jobs.
The company adds that it 'wouldn't recommend using it for any of these purposes.' Use regular cleaning products for those jobs instead. The company is saying the cleaning effect is minor, not that the drink is a strong cleaner.
Where cola is a poor choice
Coca-Cola doesn't recommend cola for any of the cleaning jobs people attribute to it. Its maker says it isn't effective at killing germs, so don't rely on it to sanitize anything.
On carpet or fabric, the cola is the stain, and it needs a stain method rather than more cola. The guides I checked give no safety warnings about cola, so use regular cleaning products for the job. Coca-Cola's own advice is to keep cola out of cleaning altogether.
What never to mix it with
The guides I checked list no products that cola should never be mixed with, so there are no mixing rules to give. Use one product at a time and rinse the spot between each one.
If a product label warns against mixing, follow that label. The same rule applies to the detergent and vinegar in the stain sequences above.
Questions
Does Coca-Cola remove stains?
Coca-Cola doesn't present itself as a stain remover. The company calls the drink a beverage, not a cleaning agent.
Its acid can help clean off dirt, but the company says to use regular cleaning products for cleaning jobs. Its acid can help clean off dirt, which is as far as the company goes.
Can Coke stains be removed?
Yes, cola stains can be treated, and carpet and fabric guides give methods for them. The Carpet and Rug Institute's Spot Solver uses a detergent, then vinegar, for cola spills on carpet.
The UGA has a soft-drink stain method for fabric and carpet. Work one product at a time and rinse between each one.
Does Sprite remove stains?
The guides I checked cover Coca-Cola and cola only, so they don't say whether Sprite works on stains. Until you have a source for it, use a regular cleaning product instead.
Can you clean a toilet with Coke?
Coca-Cola says its drink can do some cleaning, with a similar effect to lemon juice, but it calls those drinks not very good choices for cleaning. The company also says the drink doesn't kill germs.
Lots of products clean toilets much better, so use one of those. The company's comparison is with lemon juice and other acidic drinks.
How do I clean a dried Coca-Cola stain?
The guides I checked don't cover dried stains specifically. For carpet and fabric, use the Carpet and Rug Institute's detergent-then-vinegar sequence for cola spills, and check the UGA's soft-drink stain method.
Use one product at a time and rinse between them. Start with the detergent step and rinse before the vinegar, since the sequence runs in that order.
Is it safe to use cola as a cleaner?
Coca-Cola doesn't recommend using its drink for cleaning. The company says its small amount of edible acid might do some rumored cleaning jobs, but it wouldn't recommend it for any of them. Use regular cleaning products instead.
Does cola kill germs?
No. Coca-Cola says the drink 'isn't effective at killing germs.' If germs are the concern, use a cleaning product labeled for that job.
What should I never mix with cola?
The guides I checked don't list any products that cola should never be mixed with. Use one product at a time and rinse in between. If a product's label warns against mixing, follow that label.
Related guides
Other household cleaners
Sources
Every verdict, amount and warning here comes from these sources.