10 Things You Should Never Clean With Vinegar

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HOME CLEANING / CLEANING TIPS

Vinegar might be your go-to cleaner, but some surfaces really don’t get along with it. A few of these might surprise you!

Key Points

Natural is not always safe: Even everyday household cleaners have limitations.
Some cleaning mistakes are invisible at first—you may not see them until later.
Small changes to save money: Knowing which cleaner to grab can help you avoid costly repairs.

It’s not surprising that so many people clean with vinegar. It's cheap, easy to find and seems to work well on whatever you want to clean.

However, there are some things in your house that vinegar can actually damage and I bet a few would surprise you!

So before you reach for that bottle for your next cleaning task, here are 10 things you should never clean with vinegar and what to use instead.

In This Article

The Basics
The List
The Takeaway
FAQs

THE BASICS

White vinegar contains acetic acid, which helps dissolve hard-water deposits.

But that same acid can be damaging to some materials in your home. Some of the damage is evident right away, while other problems develop over time.

It’s natural, but that doesn’t mean it’s safe for everything.

A QUICK CLUE

Always check the manufacturer’s cleaning instructions before using vinegar on anything with a protective seal, special finish, or delicate surface.

IMPORTANT SAFETY WARNING

NEVER mix vinegar with chlorine bleach or cleaners containing it. The combination can release toxic chlorine gas, which can irritate your eyes and lungs and cause serious breathing problems. If you accidentally mix them, leave the area immediately and get fresh air. Don’t try to fix it by adding another chemical. Call emergency services if anyone is having trouble breathing, and contact your local poison control center for guidance.

THE LIST

10 Things You Should Never Clean With Vinegar

You might be surprised by a few of these! And if you've been using vinegar to clean just about everything around your home, you'll definitely want to check this list before your next cleaning day!!

STEP 1

1. Natural Stone Countertops

If you have marble, limestone, travertine or granite counters, you’ll want to keep that vinegar bottle at bay.

This is because the acid in vinegar reacts with the calcium carbonate in marble, limestone, and travertine to create dull, etched spots that can’t be removed.

Yes, most granite countertops are more resistant to household acids, but some types contain minerals that can actually be damaged. Plus, some sealers are not designed to be around vinegar.

And considering how expensive stone countertops can be, it's just not worth the risk!

Here's What to Do:

Wash countertops with warm water and a touch of mild dish soap.
Use a soft microfiber cloth and nothing abrasive.
For stubborn messes, use a pH-neutral stone cleaner.

The Move: Keep a stone-safe cleaner under your kitchen sink so you don’t accidentally grab your usual vinegar spray.

STEP 2

2. Hardwood Floors

You’ve probably heard of the vinegar and water DIY floor cleaners. They are very popular, but not always a good idea on hardwood floors.

Some protective finishes on floors can be damaged by acidic cleaners over time, and this will make your floors look cloudy or dull. And while you’re looking after your floors, you might also want to know why wearing outside shoes in your home can make them dirty again so quickly.

And just because you've watered down the vinegar doesn't mean it's safe. Different cleaning is needed for different hardwood finishes.

Here's What to Do:

Sweep or vacuum dirt regularly so that it doesn’t scratch the floor.
Use a cleaner recommended for your specific hardwood finish.
Use a cloth or mop that is only slightly dampened, not wet.

The Move: If you don’t know the finish on your floors, check with the manufacturer before trying a DIY cleaner.

STEP 3

3. Tile grout

You know how quickly grout gets dirty, especially in your shower?

On the surface, vinegar might seem to be doing a great job.

But repeated exposure to acid can slowly wear away cement-based grout, especially if it’s unsealed or already in bad shape.

The type of grout matters, too. Epoxy and cement-based grout react differently to cleaners, so it’s worth knowing which one you have.

Here's What to Do:

Use a pH-neutral cleaner suitable for your tile and grout.
Gently scrub with a soft nylon brush.
Rinse and dry the area when you're finished.

The Move: Check the corners of your shower and the floor for cracked or crumbling grout. But if it's already damaged, you can scrub all you want and it won't help."

STEP 4

4. Cast Iron Pans

A good cast iron pan can last for generations, but the way you clean it matters.

Leaving vinegar on cast iron for too long can harm that protective layer of seasoning you've put so much effort into creating.

And once the bare iron is exposed, moisture and air can cause rust.

Now, vinegar can be useful for removing rust in certain situations, but that's different from using it for everyday washing or leaving your pan soaking in it.

Here's What to Do:

Wash with warm water and a small amount of mild dish soap.
Use a pan scraper or brush for stuck-on food.
Dry completely and apply a thin layer of cooking oil when needed.

The Move: Don't panic if you spot a little rust on your cast iron. You can often save the pan by removing the rust and giving it a fresh layer of seasoning.

STEP 5

5. TV and Computer Screens

Those fingerprints all over your TV, phone, or computer screen can be SO irritating.

But don’t reach for your vinegar spray just yet. Many modern screens have special anti-glare or fingerprint-resistant coatings.

A cleaner that isn’t approved for your screen could damage those coatings. And if you spray liquid directly onto the screen, moisture can get inside the device.

That can leave you with a lot more than a couple fingerprints to worry about!

Here's What to Do:

Turn off and unplug the device before cleaning, where applicable.
Gently wipe the screen with a clean, dry microfiber cloth.
For stubborn marks, follow the manufacturer's cleaning instructions. If a damp cloth is allowed, use the recommended liquid on the cloth rather than spraying the screen, and keep moisture away from openings.

The Move: Keep a separate microfiber cloth just for your electronics. That way, you won't accidentally transfer leftover cleaning products onto your screens.

STEP 6

6. Steam Irons

If your iron starts spitting out white flakes or leaving marks on your clothes, pouring vinegar into the water tank might sound like an easy fix.

But this is one cleaning trick you really want to check before trying.

Some manufacturers, including Philips, warn against putting vinegar into their steam irons because it can cause water to spit out, leave brown stains, or damage parts inside the iron.

And you definitely don't want brown water coming out of your iron when you're pressing your favorite white shirt!

Here's What to Do:

Unplug your iron and let it cool before cleaning.
Check your iron's manual for the recommended descaling method.
Use the self-cleaning or Calc-Clean function if your model has one.
Only add a descaling solution to the water tank if the manufacturer says it's safe.

The Move: Don't assume the vinegar trick that works for your kettle will work for your iron. They're two very different appliances!

STEP 7

7. Dishwashers

You've probably seen that dishwasher cleaning hack where people put a bowl or cup of vinegar on the top rack and run a hot cycle.

It's supposed to get rid of odors and buildup, but it isn't necessarily doing your dishwasher any favors.

Consumer Reports tested the method and found it wasn’t particularly effective.

Some dishwasher manufacturers allow vinegar for certain cleaning jobs, while others recommend a cleaner made for the machine. Repeated exposure to concentrated vinegar may also affect certain rubber parts.

So rather than guessing, it's better to check what your particular dishwasher needs.

Here's What to Do:

Remove and clean the dishwasher filter according to the manual.
Wipe food residue from the door edges and seals.
Run a cleaning cycle using a product or method approved for your dishwasher.

The Move: If your dishwasher starts smelling funky, check the filter first. You might be surprised by how much old food gets trapped in there!

And while you’re taking care of your kitchen appliances, these foods you should never put down your garbage disposal are worth checking, too.

STEP 8

8. Washing Machines

Using vinegar in your washing machine has become such a common laundry trick that it's easy to assume it's completely harmless.

Some people add it to the fabric softener dispenser, while others pour it straight into the drum.

But manufacturers like Whirlpool and Bosch DO warn that vinegar can slowly damage some rubber parts, including seals and hoses.

That doesn’t mean using vinegar once will instantly break your machine. The concern is what happens when you keep using it against the manufacturer’s recommendations.

Here's What to Do:

Use your machine's built-in cleaning cycle.
Choose a washer cleaner recommended by the manufacturer.
Wipe the door gasket and detergent drawer regularly.
Never mix vinegar with chlorine bleach or bleach-containing laundry products.

The Move: Leave your washing machine door slightly open between loads, as long as it's safe to do so. Giving the inside a chance to dry can help keep that musty smell away.

If that damp smell keeps coming back, these reasons your laundry room smells musty might help you track down what’s causing it.

STEP 9

9. Kitchen Knives

This one might surprise you!

Since vinegar can be used to clean certain metals, it's easy to assume it would be fine for your kitchen knives, too.

But leaving vinegar on some knife blades, especially carbon steel ones, can cause corrosion and damage the finish.

Stainless steel is generally more resistant to corrosion, but that doesn't mean every stainless steel knife is completely safe from acidic cleaners.

And if you've spent good money on a nice set of knives, you'll definitely want to take care of them!

Here's What to Do:

Hand-wash knives with warm water and mild dish soap.
Use a soft sponge instead of an abrasive scrubber.
Dry them immediately after washing.

The Move: Don't leave your expensive knives sitting in water overnight. A quick wash with soap and water, followed by a good dry, is usually all they need.

STEP 10

10. Pet Urine Stains on Carpets and Upholstery

If you've ever had to clean up after your dog or cat, you know how hard it can be to get rid of that lingering smell.

And vinegar is often one of the first home remedies people recommend.

But it doesn't always remove the urine residue, especially when it's soaked deep into your carpet padding or furniture.

The Humane Society also recommends avoiding strong-smelling cleaners like vinegar because those smells may encourage your pet to mark the same spot again.

And remember, just because an area smells clean to you doesn't mean your dog can't still smell what's been there before. You can even get so used to an odor that you stop noticing it yourself, which is why it helps to know why you can’t smell your own house.

Here's What to Do:

Blot fresh urine with paper towels or a clean cloth.
Use an enzyme-based pet urine cleaner that's safe for the material.
Follow the cleaner's instructions, including how long to leave it on and how long it needs to dry.
Avoid using a steam cleaner on urine stains, since the heat can make the smell and stain harder to remove from certain fabrics.

The Move: If the smell keeps coming back, check whether the urine reached the padding underneath your carpet. Cleaning the surface alone might not be enough.

FAQs

Frequently Asked Questions

Does vinegar damage grout?

Yes, over time, regular use of vinegar can erode cement-based grout, particularly if it is unsealed, cracked, or already beginning to break down.

Epoxy grout is different and normally has better chemical resistance but you should still use the cleaning instructions from the manufacturer. So for your everyday cleaning, try to use a suitable pH neutral cleaner, it’s usually your safer bet.

Can you use vinegar to clean hardwood floors?

Don’t use vinegar on hardwood unless the manufacturer approves it.

Diluted vinegar with water can still have an effect on some protective finishes over time. Using a cleaner that is designed for your type of flooring is the best thing to do.

Can you put vinegar in a washing machine?

Some big names say not to, but it all depends on your machine.

Whirlpool and Bosch warn that repeated use of vinegar can damage some rubber parts over time.

Before adding vinegar to the drum or dispenser of your washer, check your owner’s manual. And NEVER combine vinegar and chlorine bleach.

What surfaces are safe to clean with vinegar?

Some glass, ceramic, and other acid-resistant surfaces can be cleaned of hard-water buildup with white vinegar.

But some glass has special coatings, and some fixtures have finishes that are not compatible with acidic cleaners.

When in doubt, consult the manufacturer’s cleaning instructions and spot test a recommended cleaner in an inconspicuous area.

Does vinegar kill bacteria and disinfect surfaces?

While vinegar has some antimicrobial properties, regular household vinegar is not an EPA-registered surface disinfectant.

If you really need to disinfect something, choose an EPA-registered disinfectant that is safe for the surface you are cleaning. And be sure to follow the label, including how long the surface needs to remain wet.

WARNING!!!

Never combine vinegar and chlorine bleach. Mixing them can release toxic chlorine gas, which can cause coughing, eye irritation, and serious breathing problems.

If you accidentally mix them, leave the area immediately and get fresh air. Don't try to neutralize the mixture with another chemical. Contact Poison Control for guidance, and call emergency services if anyone is having trouble breathing.

THE TAKEAWAY

I think vinegar definitely has its place when you’re cleaning around your home, but it’s not always the best thing to grab for every mess.

Some materials just don’t play well with acid, and the wrong cleaner can leave you with an expensive repair bill.

So if you’re ever unsure, check the manufacturer’s instructions and stick with something made for that particular surface.

Sometimes the best cleaning trick is knowing when NOT to use one!

And if you’re trying to make cleaning a little easier in general, these habits of people with really clean homes have a few ideas you can borrow.

Have you ever used vinegar to clean something and then realized you probably shouldn't have? Or is there something on this list you've been cleaning with vinegar for YEARS? I'd love to know!!

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