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Why?!

Here’s the thing: dirty grout lines affect the appearance of a clean tile floor. If the spaces between the tiles are grubby or stained, the floor doesn’t look fully clean.

Before you break out the rubber gloves and scrub brush, though, make sure you’re fully prepped on how to clean tile grout.

First, you’ll need to know the type of tile and grout material you have, so you can use the appropriate cleaning solutions. Then you’ll need to know if this is a simple cleaning job or if you need to do some stain removal.

Common cleaning solutions to clean grout include:

• Baking soda
• White vinegar
• Commercial cleaners
• Bleach
• Steam cleaners
• Hydrogen peroxide
• Borax

With the right cleaning tools and some good old-fashioned elbow grease, get ready to make your floors look grout-standing!

How Often to Clean Grout | Before You Clean Grout | How to Clean Tile Floor Grout | How to Clean Grout on Walls | Cleaning Coloured Grout | Cleaning Outdoor Grout | Cleaning Unsealed Grout | Cleaning Stained Grout | FAQs

What is Grout?

Grout is a porous material that’s used to fill in the lines (called joints) between tiles. It helps reinforce the tile installation and keeps your floor stable.

Typical household grout is a mixture of cement, aggregates (e.g. sand), and water.

Types of Tiles and Tile Grout Material

Cleaning grout isn’t rocket science, but it does involve some chemistry!

Your method for cleaning tile grout will depend on the type of tile and the type of grout you have in your home.

Types of tile materials

When it comes to houses and apartments, you’ll typically find one of these types of tiles:

• Ceramic or porcelain: These are the most common tiles found in homes! You’ll often find ceramic or porcelain tiling in your kitchen and bathroom.
• Natural stone: There are several types of stone, including limestone, slate, and marble. Use specialised cleaning solutions that are pH neutral so the material won’t discolour.
• Vinyl: Both vinyl and linoleum tiles are easy to maintain as their design requires no actual grout! However, they have a more artificial appearance and finish.

Types of grout material

For residential tiles, builders will usually use cement-based grout. It’s more affordable and cost-effective, but requires regular re-sealing and is prone to staining.

Standard types of grout are:

• Sanded: Cement-based with sand for binding joints up to 2.5cm
• Unsanded: Cement-based but without sand, commonly used for small or delicate tiles
• Acrylic: Pre-mixed grout with acrylic polymer that’s pricey but very durable
• Epoxy: Very expensive and requires mixing, but extremely durable and water-impervious

Some grout comes pre-mixed with polymers for additional moisture and mildew resistance.

For cement-based grouts, you’ll need to get the lines “sealed” after installation to protect the grout from damage and stains. It’s also important to remove grout haze from the tiles.

How Often to Clean Grout

Tackle any stains or spills immediately.

Vacuum or sweep your floors at least once a day (more often if you have pets).

Clean tile floors and grout once a week (and dry the surface thoroughly!). Using high-quality tile cleaners can reduce the dirt that gets into grout and make cleaning easier.

Deep clean grout lines around once a month.

Re-seal grout every 6 months.

Need help staying on top of cleaning grout, floors, and other parts of your home? Get in touch with a reliable house cleaning service in your area and they’ll do the job for you.

Before You Clean Grout: What to Know

Not every cleaning solution applies to each tile material. 

Before you start cleaning grout, here are some things to know.

Ceramic or porcelain tile grout

Ceramic or porcelain tiles are very common in houses and apartments. They’re affordable but durable and easy to maintain – both the tiles and grout.

For regular cleaning, you’ll typically only need mild detergent and warm water. Make sure to rinse and dry the tile surface thoroughly to avoid spotting or water seeping into the grout.

Another top cleaning solution for ceramic tile floors is vinegar and water. It’ll work on the grout too!

Natural stone tile grout

When cleaning grout between natural stone tiles, avoid using acidic solutions with vinegar or lemon since they can ruin the finish. The same goes for products with too-high pH like bleach.

For cleaning supplies, opt for non-abrasive mops and cloths to avoid scratches.

How to Clean Tile Floor Grout

Before you do any grout cleaning, make sure you sweep or vacuum the floor tiles.

This removes any loose dirt and debris that could scratch or enter the surface.

Cleaning grout with baking soda

If you want to clean with natural ingredients, baking soda is your best bet! It’s a great homemade grout cleaner, and even works on mild staining.

Start by making a paste of equal parts baking soda and warm water.

Use an old toothbrush or sponge to apply the solution onto the grout lines, and let it sit for 5 minutes. Then use the toothbrush or grout brush to gently scrub the surface in a circular motion.

For more cleaning power, you can mix a half-and-half solution of vinegar and water. Spray it onto the baking soda after you’ve let it sit. Wait until the mixture stops foaming, then scrub with a grout brush.

Rinse the floor with a wet microfibre cloth or mop to remove any residue from the baking soda paste. Use another mop to dry the floor.

NOTE: If you’re adding vinegar, wear a face mask to protect yourself from vapours caused by the chemical reaction!

Cleaning grout with vinegar

There are several homemade grout cleaners you can try, but vinegar is particularly effective. It also helps prevent mould and mildew.

This solution is best used on ceramic or porcelain tiles, since acidic vinegar will damage stone. It’s also very effective for cleaning bathroom grout.

Mix equal parts white vinegar and warm water in a spray bottle. You can add a teaspoon or two of dish soap for added cleaning power.

Spray the vinegar solution onto the grout lines and let it sit for 5–10 minutes. Then use a stiff brush to scrub the grout clean.

Wipe off any residue with a damp cloth, then follow with a fresh mop to dry the floor.

Using grout cleaner

There are plenty of commercial grout cleaners that you can use on your floors. Some are bleach-based, while others are specially formulated for stone surfaces.

Our picks for the best grout cleaners are ZEP Grout Cleaner or the more eco-friendly Zero Co Multi-Purpose Cleaner.

Follow the packaging instructions, and always check the ingredients to ensure they’re safe to use on your floor grout.

If you have pets, opt for pet-friendly products or keep them out of the room until the floors are dry!

Cleaning grout with bleach

Bleach is a powerful cleaner, as it can tackle even stubborn stains or deep-seated mould. However, it’s very harsh, so always use protective gear (such as rubber gloves and a face mask).

Make sure the room is well-ventilated when cleaning with bleach. Never mix bleach with anything but water.

Dilute the product according to the packaging instructions – or around one cup of bleach per 5 litres of lukewarm water. If possible, opt for oxygen bleach since it’s less reactive than chlorine.

Use a sponge or microfibre cloth to apply the bleach solution to the grout. Let the mixture sit for 10–15 minutes, then use a soft-bristled brush to scrub the tile grout clean.

Rinse the floor thoroughly with a wet mop, then follow with a fresh one to remove excess moisture. Let the floor air dry.

Steam cleaning floor tile grout

Yes, you can steam clean grout! Steam mops or cleaners are very effective and can clean large areas more efficiently.

Start by washing the floor with mild detergent and water to remove any excess grime and dirt that could block the steam.

Switch on the steam cleaner or mop, then run it carefully over the grout lines. If your machine comes with a grout or nylon brush tool, you can use them – although it requires a bit more effort.

Work in small sections and mop up the dirty water before it seeps back into the grout.

You can go over the entire floor with a dry mop afterwards to remove excess moisture, or let the surface air dry.

How to Clean Tile Grout on Walls

Cleaning grout on walls is a bit trickier, especially in humid areas like the shower.

When working on walls, go from top to bottom to prevent the dirty water from reaching areas you’ve already cleaned.

How to clean grout on shower walls

Showers are constantly exposed to moisture, so grout cleaning can be tricky. The best way to clean shower grout is by using a baking soda and hydrogen peroxide solution.

Mix two parts baking soda with one part hydrogen peroxide to make a thick paste. Use an old toothbrush to apply the mixture to the dirty grout.

Let the cleaning solution sit for 15–20 minutes. Then use the toothbrush or a stiff brush to scrub the grout, wiping away dirty water as you go.

Rinse the walls with clean water, then use a squeegee to remove excess moisture.

NOTE: You can also use a steam cleaner – just check if your machine is safe for use on bathroom tiles!

How to clean grout on kitchen walls

Kitchen walls – especially the backsplash – are often exposed to grease and food debris. That can get into kitchen tile grout.

Your first line of defence is water and anti-grease dish detergent. If you can wash the grease off right away, this will do the trick.

Alternatively, try diluting washing soda with water according to the package label. Apply the cleaning solution with a sponge, then scrub with a grout brush. Wipe off the residue and rinse with a damp cloth.

For grease and dirt build-up, mix a half-and-half solution of water and vinegar or lemon juice in a spray bottle. Apply the solution to the greasy grout and leave for 10 minutes.

Scrub the lines with a stiff brush, then rinse with a damp cloth. Dry afterwards.

Cleaning Coloured Grout Lines

It’s a little trickier to clean black grout, grey grout, or any other colours. You’ll need to follow a regular cleaning schedule and keep a sharp eye out, since stains might not show up as easily.

Meanwhile, things like vinegar, lemon juice, and bleach can discolour the material and ruin its appearance.

Your best option is to look for grout cleaners formulated for coloured grout, such as Grout-EEZ Super Heavy-Duty Tile & Grout Cleaner or Black Diamond Ultimate Grout Cleaner.

Alternatively, steam cleaners are safe for coloured grout!

How to Clean Outdoor Tile Grout

Start by sweeping away any leaves, twigs, and other debris. Then hose down the tiling to rinse off loose dirt.

Use the appropriate grout cleaner for the material of your outdoor tiles. 

You may need to use a scrub brush to remove organic matter like mud.

How to Clean Unsealed Grout

If you’ve just applied new grout, you should clean it before applying any sealant. This ensures there’s no dirt or grime trapped in the material after installation.

Always make sure the grout has fully “cured” (meaning dried) or you could damage the finish.

Start by sweeping away any loose dirt, debris, and grout residue. For walls, wipe the dust and haze away with a dry microfibre cloth.

There are several ways to clean unsealed grout, but the simplest is by using baking soda.

Mix a paste of baking soda and warm water, then use an old toothbrush or sponge to apply the solution.

Gently scrub the new grout until it’s clean. Rinse with clean water, then mop the floor dry.

Once the surfaces have fully dried, you can apply grout sealer. This makes the material more resistant to dirt and moisture.

How to Clean Stained Grout

Grout stains can happen for many reasons – maybe someone spilled something in the kitchen, or perhaps pink mould has grown in your shower.

For spills, remove any solids and blot the liquid with paper towels or microfibre cloths immediately.

How to clean stained white grout

The best way to remove stains on white grout is by using the abovementioned hydrogen peroxide paste! The mild acid helps lift stains and lighten the surface.

Use an old toothbrush to apply the mixture to the dirty grout, then let it sit for 15–20 minutes. Then take that toothbrush or a grout brush and start scrubbing the surface.

Rinse the area with plain water, then wipe or mop it dry. For more stubborn stains, you may need to reapply the paste more than once.

NOTE: For deep-seated or extremely tough stains, you can apply hydrogen peroxide directly. Test it first on an inconspicuous area to ensure it doesn’t cause damage.

How to remove stains on stone tile grout

Diluted hydrogen peroxide can remove stains from stone tile grout. Mix it in a 1:2 ratio with water, then lightly spray the stained grout.

Let it sit for at most 20 minutes, then scrub the stain with a sponge or cloth. Rinse thoroughly with clean water then dry.

Alternatively, use a cleaner specially formulated for stone, like Granite Gold Grout Cleaner Spray.

How to remove mould from grout

Mould in grout can look orange, which comes from mildew, or black, which is much more hazardous.

For mild cases, you can clean mould in grout using household products like vinegar or lemon juice.

Mix equal parts vinegar and hot water, plus a few drops of detergent. Saturate the mouldy area and let the mixture sit for 10 minutes, then scrub the surface with a stiff brush.

For severe cases, such as black mould in grout, try borax. Mix a cup of borax per 3 litres of water, then apply to the mouldy area.

Let the solution sit for a few minutes, then scrub with a stiff brush. Wipe off any dislodged mould immediately, then rinse the whole area with water.

In the worst cases, you can use diluted oxygen bleach.

How to clean hard water stains in grout

If you have orange stains on grout, that’s likely caused by limescale or mineral build-up from hard water. It can be unsightly, but easy to clean.

Mix equal parts vinegar and water in a spray bottle, plus a few drops of dish detergent. Saturate the grout lines and let the solution sit for 10 minutes.

Use a soft-bristled brush to gently scrub the stains off. Rinse the surface clean, then let dry.

What Causes Dirty Grout Lines?

Knowing what causes the dirt or staining on grout can help you clean more efficiently and effectively.

In the kitchen

Kitchen tile grout often gets dirty due to grease or spilled food. 

It’s essential to clean spills or stains ASAP, as food residue can invite bacteria or mould growth.

In the bathroom

The humidity and moisture in a bathroom can lead to mould or mildew on the tile grout.

Other causes of dirty grout in bathrooms include soap scum, limescale, and mineral build-up from hard water.

Outdoors

Besides regular foot traffic, weather and environmental factors can lead to dirty grout. Wind, rain, soil, and even sunlight can muddy or discolour the material over time.

Pets can also track dirt on your outdoor grout.

FAQs About How to Clean Tile Grout

If you have more questions about how to clean tile grout, here’s some additional info!

How can I get my grout white again?

The most effective ways to restore white grout are either hydrogen peroxide paste or bleach.

However, always be careful when cleaning with these products. Use protective gear and work in a well-ventilated room.

For a less harsh option, you can use diluted washing soda.

Does vinegar really clean grout?

Yes, although it won’t work for stone floor tiles. Vinegar is best for sealed grout on glazed porcelain or ceramic tiles.

Since acetic acid (the main compound in vinegar) is antibacterial and antifungal, it helps prevent mould or mildew in grout lines as well.

Does a Magic Eraser work on grout?

Yes, but it’s best for spot-cleaning tile grout. 

To clean a large area of floor tiles, for example, you’d need a large number of Magic Erasers – and that’s neither cost-effective nor efficient.

Can I clean tile grout without scrubbing?

Yes – only if it’s mild to moderately dirty. You can clean grout without scrubbing by mixing half a cup of baking soda with a quarter-cup of hydrogen peroxide and a teaspoon of dish detergent.

Apply the mixture to the grout and let it sit for up to 20 minutes. Wipe the residue off, then rinse the surface with water and a mop or cloth.

Let the grout completely dry. Do not store excess cleaner, as the build-up of carbon dioxide will cause the container to break and release hazardous gas.

Can you use Napisan for cleaning grout?

Anecdotally, it has worked for people. The most common method is mixing 2 scoops of Vanish Napisan Stain Remover Powder into a bucket (about 10 litres) of water, then using that to clean both tiles and grout.

However, test this cleaning solution on an inconspicuous area first to make sure it won’t cause damage.

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Most grout cleaning guides are for sealed grout, but how to clean unsealed grout? It’s tricky, since unsealed grout stains easily and absorbs moisture (which could cause mould).

Still, there are some methods to tackle unsealed grout:

• Baking soda
• White vinegar
• Hydrogen peroxide
• Steam cleaning
• Oxygen bleach

Once you’ve cleaned the grout and let it dry completely, apply a grout sealer ASAP. Leaving grout unsealed is more trouble than it’s worth!

Sealed Grout vs. Unsealed Grout

Sealed grout means a sealer has been applied to the grout after it has dried. It makes the grout more resistant to dirt and moisture, although it should be reapplied at least once a year.

You should clean grout before applying the sealer.

On the other hand, unsealed grout has not yet been coated with a sealer. This is typical for newly installed tiles or much older floors.

Why You Need to Seal Tile Grout

Most households use cement-based grout, which is a porous material. When unsealed, grout easily absorbs dirt, spills, and moisture – leading to stains and mould.

Unsealed grout is also more prone to cracks and other damage, which could eventually require re-grouting. Sealing your grout will save you time, effort, and money in the long run.

Before Cleaning Unsealed Grout

Make sure the grout has fully cured or dried, or you could damage the finish.

When cleaning unsealed grout on a tile floor, start by sweeping or vacuuming any loose dirt and debris. You can follow that up with a light mopping using warm water and dish soap.

For tile walls and other surfaces, wipe the dust away with a dry microfibre cloth or use a duster.

If you’re cleaning new tiles after installation, remove the grout haze using a specialised cleaner or a vinegar and water solution.

How to Clean Unsealed Grout

While you can clean unsealed grout, it’s possible the stains or discolouration could be permanent. Depending on how long the grout has been stained or dirty, you might not be able to restore it.

If you use professional house cleaning services, warn them that you have unsealed grout!

Worst case scenario, you may need to have the tiles regrouted.

Precautions for cleaning unsealed grout

Be mindful of your cleaning solutions for unsealed grout! There are some substances you should not mix as they create dangerous reactions.

Never combine bleach with anything other than water. Additionally, do not combine ammonia and vinegar, or hydrogen peroxide and vinegar. 

Always wear protective equipment when cleaning – that includes long rubber gloves, a face mask, and goggles or similar eye protection.

Test your cleaning solution in a small area first to make sure it won’t damage the grout or tiles.

Cleaning unsealed grout with baking soda

This is the best solution for unsealed grout that’s only mildly dirty, or for stone tile surfaces. 

Make a paste out of baking soda and water. Avoid using vinegar as this could neutralise the baking soda before cleaning.

Use a stiff-bristled brush (like an old toothbrush) to apply the paste to the grout lines and scrub them clean.

Rinse the surface afterwards with clean water, then mop or wipe it dry.

Cleaning unsealed grout with white vinegar

Be careful with using vinegar on unsealed grout, since the acid can degrade cement-based materials with prolonged exposure. Never use vinegar on stone tiles and never mix it with bleach.

Mix equal parts vinegar and warm water in a spray bottle – diluting the vinegar will make it less hazardous for the grout. Apply the solution to the grout lines.

Let the cleaning solution sit for 30 minutes at most, then scrub the grout with a brush. Rinse the surface thoroughly with clean water before wiping it dry.

Cleaning unsealed grout with hydrogen peroxide

Avoid using this on coloured grout, since hydrogen peroxide can lighten or even strip pigments. Do not use this on natural stone tiles as it will discolour or damage the material.

Pour some hydrogen peroxide into a spray bottle, then saturate the grout. Work in small sections, going top to bottom or starting from the corner furthest from the door.

Let the hydrogen peroxide sit for about 10 minutes, then scrub the grout with a grout brush or stiff-bristled brush. Wipe the dirty residue away with a damp cloth or sponge.

When you’ve cleaned the entire surface, rinse it with fresh water and let it dry.

Cleaning unsealed grout with steam

If you have a steam cleaner, you can perform a more thorough cleaning. The high-pressure steam forces any dirt and debris out of the grout, which you can mop or wipe away.

A steam cleaner is also one of the more efficient ways to clean unsealed grout on tile floors. 

Choose a brush or nozzle in the appropriate size for the grout lines. When cleaning, work in small sections and clean up the dirty water before it seeps back into the grout.

Hold the nozzle a few centimetres above the surface – but not too far, or the steam won’t penetrate.

Let the grout dry completely afterwards. You can use a dry mop or cloth to remove excess moisture, then point an electric fan at the tiles for a few hours.

Cleaning unsealed grout with oxygen bleach

This is your last resort, since bleach is a harsh cleaner and can degrade unsealed grout (especially if it’s old grout). Oxygen bleach is less reactive than chlorine bleach, so it’s the “safer” option.

Dilute the bleach according to the package instructions. Work in small sections, applying the bleach solution then letting it sit for a few minutes.

Scrub the grout with a grout brush or soft-bristled brush. Rinse the bleach immediately with a wet mop or cloth, then rinse the mop in clean water.

Wipe off the excess moisture before moving to the next section.

How to Remove Mould From Unsealed Grout

For mild to moderate cases of mould, you can use hydrogen peroxide. The 3% solution will work for mild cases, but you can use a higher strength (such as 6%) for more effective removal.

Open all windows and doors to the room you’re working in, and switch on the exhaust fan if there is one. Wear protective equipment such as rubber gloves, a face mask, and goggles.

Spray the hydrogen peroxide onto the affected areas and let it sit for about 10 minutes. Use a grout brush or stiff-bristled brush to scrub the mould off.

Use a wet cloth or sponge to rinse the residue. Repeat as necessary until the grout is clean.

You can also mix a paste of hydrogen peroxide and baking soda for extra cleaning power. Just be sure to throw out any leftover paste when you’re done – the combination creates carbon dioxide, which could build inside a sealed container and cause it to explode.

For more severe cases, you can use a solution of 1 part bleach to 4 parts water. Apply to the grout lines with mould, then let it sit for at most 30 minutes.

Scrub with a grout brush or other stiff-bristled brush, then rinse thoroughly with warm water.

Proper Grout Maintenance

Once you’ve cleaned the unsealed grout, let it dry completely. Keep the room well-ventilated and, if possible, point an electric fan at the surface.

After the grout has dried, apply the appropriate grout sealer and let it cure. Note that acrylic, epoxy, and urethane-based grouts do not require sealing, but double-check with the company that handled the installation!

Do not leave your grout unsealed. Repeatedly cleaning unsealed grout will cause the material to degrade, and you’ll eventually need to have the surface re-grouted.

Deep clean tile grout around once a year. For regular maintenance, you can scrub or mop the grout whenever you clean your floors or walls.

Reapply the grout sealer once a year.

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You can prevent this from happening, but things can happen despite our best efforts! If you’ve noticed dark grout stains, then you just have to clean them up.

How to clean grout that has turned black? You can use one of these grout cleaners:

• White vinegar
• Baking soda and ammonia
• Hydrogen peroxide
• Oxygen bleach

And, of course, remember to use the appropriate cleaning supplies and wear protective equipment!

What Causes Grout to Turn Black?

The primary causes of black grout are mould and mildew.

Most households use cement-based grout for porcelain or ceramic tiles. This type of grout is porous and requires regular sealing to protect the material.

Otherwise, grout will absorb most substances it comes into contact with, such as water, soap, spores, and bacteria. But grout sealer can degrade over time, and it’s not 100% impermeable.

It’s difficult to get those same substances out of the grout, which creates a moist environment where bacteria and spores thrive. That leads to mould and mildew growing in the tile grout.

A poorly ventilated bathroom can also lead to mould, which causes black grout. Sometimes, though, this results in pink mould – which you can identify by orange grout stains on your shower walls or floor.

There’s always the chance your grout turned black for more innocuous reasons, like a certain little someone getting too enthusiastic with markers. In this case, you just need to let a magic eraser work its, well… magic!

How Often to Clean Grout

You should clean tile grout as often as you clean tiles – about once a week. Use a simple homemade grout cleaner with a scrub brush to do the job.

Tackle stained grout as soon as possible! The longer a stain sits, the more difficult it will be to remove.

Deep clean your grout at least once a month.

(If you don’t want to do all that scrubbing, though, just look up the most reliable home cleaners in your area!)

How to Clean Grout That Turned Black

These methods will work whether you’re trying to clean black mould in shower grout, kitchen grout, and other areas. As always, test your chosen cleaner on an inconspicuous spot first to make sure it doesn’t damage your tiles!

NOTE: Do not use these cleaning solutions on natural stone tiles, which require specialised products. You may wish to consult a professional in these cases.

Before cleaning black grout

Clean off any surface dirt from the tile grout before you tackle the black stains. This will ensure your cleaning solution is effectively targeting the grout stains and not any soap scum or other residue.

Always wear protective equipment when you clean grout, including:

• Rubber gloves
• Goggles or similar eye covers
• A face mask

It’s important to remember that you might not restore your white grout to its former pristine condition. Black stains from mould are difficult to remove completely, and you may need to recolour the grout after cleaning.

In the worst-case scenario, you may need to have your tiles completely re-grouted.

Clean black grout with white vinegar

NOTE: Do not use this on unsealed grout, as it can seep into the air spaces and weaken the grout as a whole.

Your first line of offence against blackened grout is good ol’ vinegar. Its acidic properties can kill mould, making it great for cleaning grout stains. It’s also good if you’re avoiding the use of harsh chemicals.

You can also use lemon juice as a substitute or additive to cut the vinegar scent.

Mix equal parts white vinegar and warm water in a spray bottle. Saturate the grout completely with the vinegar solution, then let it sit for 5–10 minutes.

Use a stiff brush (such as a nylon scrub brush) and a bit of elbow grease to start scrubbing the grout’s surface. If you’re working in a small area, an old toothbrush will work as well.

Rinse the area with clean water, then repeat with the vinegar grout cleaner as necessary.

Let the tiles and grout fully dry.

Clean black grout with baking soda and ammonia

NOTE: Before trying this grout cleaner, it’s important to remember that you can only mix ammonia with baking soda. It is incredibly dangerous to mix ammonia with vinegar or bleach.

This cleaning solution can tackle tougher stains when cleaning black grout. 

Mix 7 cups of warm water, 1/2 cup baking soda, and 1/3 cup ammonia in a bucket. 

Use a sponge or soft cloth to apply the cleaning solution to your grout lines. Let it sit for 10–20 minutes.

Take a scrub brush or old toothbrush to scrub the grout. If the black stains aren’t coming off easily, reapply the paste and wait another 30–60 minutes, then scrub again.

Rinse the paste off with clean water, then let the area dry completely.

Dispose of any leftover cleaner immediately.

Clean black grout with hydrogen peroxide

You can use hydrogen peroxide alone or in a paste with baking soda. It’s best for light-coloured or white grout since it has mild bleaching properties.

As a straight cleaner, mix equal parts 3% hydrogen peroxide and warm water in a spray bottle. Saturate the dirty grout with the cleaning solution, then let it sit for up to an hour.

As a cleaning paste, mix 1/2 cup baking soda with 1/4 cup hydrogen peroxide. You can recycle a squeeze bottle with a nozzle for easier application!

Spread the paste over the grout and let it sit for at least 5 minutes. Then use a stiff-bristled brush to scrub the grout until it’s clean.

Wipe away any residue with a sponge or paper towel, then rinse the grout. Repeat as needed until the stains have lifted.

Dispose of any leftover grout cleaner immediately.

Clean black grout with oxygen bleach

If the mould persists, or if you want to bring out the big guns, you can use oxygen bleach. (We like Koala Eco’s oxygenated bleach!)

It’s just as effective as the chlorine version, but is less reactive.

Still, take all safety precautions when using any form of bleach! Wear protective equipment and ensure the room is well-ventilated.

Follow the manufacturer’s instructions for diluting the bleach, and only mix it with water. It is extremely dangerous to mix bleach with anything else, such as vinegar.

Apply the bleach solution to the grout, then leave it for 15 minutes. If you notice the grout has absorbed all the mixture before time is up, add more!

After 15 minutes, use a stiff brush to scrub the grout. Rinse the tiles thoroughly afterwards (you can use a mop) then air out the room to dry.

Don’t worry if your grout doesn’t look completely clean right away – the compounds in bleach will work for up to 6 hours, even after you’ve rinsed the area.

How to Prevent Blackened Grout

Make sure you clean tile floors, walls, and grout at least once a week. This will prevent dirt and bacteria from building up – especially in your bathroom, where soap scum can be a breeding ground for mould spores.

You can also keep vinegar spray and a squeegee in the bathroom for quick post-shower clean-ups!

Keep all rooms well-ventilated to prevent moisture accumulation. For inner rooms with no access to windows (such as a powder room), install exhaust vents and leave doors open whenever possible.

Have your grout re-sealed every 6 months in high-traffic or high-use areas. If you notice that moisture is no longer beading up on the grout surface, that’s a sign it needs new sealant.

Alternatively, if you have the budget, you can opt for epoxy or acrylic-based grout. These types are waterproof and do not need sealing, but require a high upfront cost.

Still, it’s best to know how to clean grout that has turned black, as you never know when it’ll come in handy. Just check first to make sure the discolouration is due to mould or dirt and not someone forgetting to clean up some spilled hair dye – you don’t want to go all-out for nothing!

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Maybe you want to save some money, or maybe you just want to use natural cleaners. Chemical cleaning products may also leave residue or cause long-term wear and tear.

What is the best homemade tile grout cleaner? Here are some of our favourites:

• Castile soap
• Baking soda with water
• Baking soda and hydrogen peroxide
• Lemon juice and cream of tartar
• Vinegar and dish soap

You can also double up by using a steam cleaner afterwards.

Choose your preferred homemade grout cleaners and get ready. Also, be mindful of your knees – stretch in between sections!

Why Clean Grout Lines?

Even if you’ve cleaned your tiles, if you don’t tackle dirty grout, your floors will look less than pristine. 

Grout also picks up dirt and grime over time – soap scum in the bathroom or spilled food in the kitchen. Plus there’s general wear and tear from walking over the floors.

Regular grout cleaning can prolong the lifespan of the material and prevent it from becoming a health hazard. When combined with efficient tile cleaners, the results will have you… floored.

Before Cleaning Grout

Always know the material of your tile floors! It will determine what cleaning solution you can use.

For example, if you have stone tiles, do not use non-corrosive substances. Anything too acidic like vinegar could cause the stone to discolour.

A scrub brush will be more effective than an old toothbrush, although both will do the trick. Avoid using metal tools and brushes since these could chip and damage your grout. 

Of course, there are methods to clean grout without scrubbing as well.

Test your grout cleaner on a small, inconspicuous spot so you can be sure it doesn’t discolour or damage the material.

And of course, if you want to skip any grout cleaning entirely – just get a house cleaning service near you to do it!

How Often to Clean Grout

Immediately: Wipe any spills, and pick up or vacuum away any debris and dirt.

Weekly: Mop the floor (and don’t leave any standing water).

Monthly: Use one of your homemade grout cleaner recipes to deep clean.

Every 6 months: Reseal your grout.

How to Make Homemade Grout Cleaner

Maybe you’re too lazy to pop down to the shops for a commercial cleaning product. 

Or maybe you’d prefer to use more natural methods for grout cleaning.

Here are some DIY grout cleaners that you can make right at home – just add some elbow grease to the mix!

1. Cleaning grout with Castile soap

If your grout is only mildly dirty, then you can use Castile soap! 

It’s a plant-based soap that’s incredibly versatile, usable for cleaning your body as well as multiple household surfaces.

Dilute the soap per instructions on your package, then use it to clean the grout. 

Scrub, then rinse the area and let it dry for 24 hours.

2. Cleaning grout with baking soda and water

Another simple and effective homemade cleaner is simple baking soda and water. 

This is most effective for mild dirt – the abrasive nature of baking soda helps scrub off any grime on the surface.

Simply mix equal parts baking soda with water into a paste. 

Dip your scrub brush or sponge into the paste and use it to clean the grout. Wipe with a wet cloth or rinse the residue off, then allow to dry.

NOTE: Because baking soda isn’t acidic, it’s safe to use on marble or stone tile when mixed with water.

3. Cleaning grout with baking soda and hydrogen peroxide

This method is best for discoloured grout that was previously white or light-coloured. 

The hydrogen peroxide will help lighten stains and clean dirt.

Mix two parts baking soda with one part hydrogen peroxide into a thick paste. You can also add a few drops of dish soap (an anti-grease one works great). 

Spread the mixture on your bathroom grout, shower grout, or other surfaces.

You can add extra baking soda as you go along.

Let the mixture sit on the grout for 15 minutes, then employ your scrubbing power. 

Rinse with clean water, then let the grout dry for 24 hours. Apply a sealant once done.

NOTE: Do not use this method on stone or marble tiles.

4. Cleaning grout with lemon juice and cream of tartar

Lemon juice is a natural whitener, so it’s great for lightening stains. 

This method is best for small spots instead of the entire floor.

Mix a tablespoon of cream of tartar with a squirt of lemon juice. The consistency should resemble runny toothpaste. 

Apply the solution to the dirty grout and let the paste sit for 15 minutes. Scrub the area, then wipe with a damp cloth to clean.

NOTE: Do not use this method on stone tiles.

5. Cleaning grout with white vinegar and dish soap

Does vinegar really clean grout? Yes! 

This two-ingredient homemade grout cleaner is great for quick-and-easy jobs. It’s also good for deterring mould and mildew due to the properties of vinegar.

Mix equal parts vinegar and warm water in a spray bottle, then add 1/4 to 1/2 cup of dish soap. 

Carefully spray the vinegar solution onto your grout lines and let it sit for 5–10 minutes.

If you want some extra oomph, you can sprinkle baking soda before spraying.

Wipe the grout with a damp cloth or rinse with clean water.

NOTE: Do not use this method on stone tiles.

Cleaning Grout with a Steam Cleaner

A steam cleaner is a powerful tool for cleaning many surfaces, including tiles and grout! 

It’s not quite “homemade,” but if you already have one in your home, then it’s very effective.

Steam cleaners work by heating water to over 90ºC, then blasting the resulting steam out of the nozzle. 

Check to see what model you own, since some may be floor-only and will not work on shower or bathroom grout.

Use one of the above homemade grout cleaners to clean the tile grout. This will get rid of any excess grime and dirt that will block the steam from reaching the grout.

Switch on your cleaner and use back-and-forth strokes with a nylon brush on the grout. Work one section at a time (and if you’re cleaning walls, work top-down).

Rinse or mop each section to clear away any dirty water to prevent it from settling into the grout. Change the water in your steam cleaner as needed.

Let the grout dry for 24 hours before sealing.

NOTE: Some steam mops have attachments that you can also use for grout!

Can I Mix Bleach to Clean Grout?

Avoid mixing bleach with any substance except plain water. 

Some websites recommend a mixture of bicarb soda and bleach, which is usually harmless – but since bicarb soda is an alkaline substance, it could react to form potentially hazardous gases.

Absolutely do not combine hydrogen peroxide or vinegar with bleach. This will create a toxic chemical reaction that is potentially fatal.

If you do choose to do grout cleaning with bleach, then dilute the product per instructions before use.

Tips for Homemade Grout Cleaners

Avoid using too much water when you clean grout, since it’s a porous material. Moisture can seep into the grout and cause it to disintegrate, or trigger the development of mould and mildew. That will damage the integrity of your floors.

For white grout, do not use coloured cleaning products that could stain the material. Conversely, if you have coloured grout, avoid bleach and peroxide cleaners. These will bleach your grout and remove the colour.

Wear protective accessories when cleaning, especially if you’re using chemical products like hydrogen peroxide. At the very least, use rubber or cleaning gloves, and perhaps goggles and a mask.

Safely dispose of any leftover homemade grout cleaner once you’re finished cleaning. Even if you’re using natural methods, these solutions are one-time-use only and cannot be kept in storage. Gas could build up in the container and cause it to explode.

Do not clean grout that is cracked, chipped, or loosened. Water will seep into the material and cause further damage. Instead, it is best to remove and replace the grout, especially on the bathroom or kitchen floor.

What is the best mixture to clean grout? It will depend on how dirty your grout is, and what material your tiles are. Any of these methods will be effective so long as you use it in the correct situation – and of course, put your back into it!

The post What Is The Best Homemade Tile Grout Cleaner? appeared first on Maid2Match.

However, having clean grout leads to an improvement in the appearance of your floor. But that means having to scrub grout stains out of the lines… or does it?

The easiest way to clean grout without scrubbing involves hydrogen peroxide and baking soda. Mix the two into a paste with some dish soap and apply to the grout lines. Alternatively, you can use a cleaning solution of water, vinegar, lemon juice, and baking soda.

There are a lot of grout cleaning hacks, but many of them require scrubbing and a lot of elbow grease. Clean grout without scrubbing using these easy methods and get your floor looking pristine!

Why Clean Floor Grout?

Your floor won’t look clean otherwise! A good tile cleaner will handle the floor tiles, but if you don’t clean floor grout lines, your floor will still look dirty.

You’ll be surprised how much better everything looks when your grout lines are clean and white again!

Moreover, if dirt and grime build up inside the grout, this could damage the seal. Regrouting or even replacing tiles is expensive and time-consuming, so clean your floor grout regularly to maintain it.

Lastly, moisture gets into grout lines – which could lead to mould and mildew. The spores can cause respiratory issues, so cleaning grout is also good for your health!

Why Tile Grout Gets Dirty

The biggest culprit for causing dirty grout is floor traffic! Our feet and shoes track dirt all over the floor, which gets into the grout.

Since it’s a porous material, grout picks up dirt and moisture easily, especially in kitchens and bathrooms.

Mopping, funnily enough, also causes dirty grout. If you don’t sweep or vacuum the floor ahead of mopping, you’ll end up pushing dirty water into your grout lines.

How to Clean Floor Grout Without Scrubbing

Scrubbing is a lot of effort, so it’s not everyone’s cup of tea. There are other ways to clean tile grout, but these are the best ways to clean grout without scrubbing.

Before the cleaning solution

Before you start cleaning grout, you’ll need to get rid of the dust and dirt on your floor tiles and grout lines. Sweep or vacuum the floor, then go over the tiles with hot water and a mop. This will soften the dirt in the grout.

Once you’ve chosen your grout cleaner, test it on a small area first! This will ensure your cleaning solution won’t damage your tiles.

Clean floor grout using hydrogen peroxide

One way to clean grout without scrubbing is by mixing hydrogen peroxide and baking soda. Add 1/2 cup of baking soda to 1/4 cup hydrogen peroxide and mix into a paste. Follow with a teaspoon of dish soap.

Apply the mixture to your floor grout and let it sit for 5–10 minutes. Use a clean cloth to wipe off the mixture, then rinse the floor with warm water and a mop. Let the grout dry completely.

NOTE: Do not store excess cleaner in a sealed container. The build-up of carbon dioxide may cause the container to break, while the gas could be toxic.

Clean floor grout using white vinegar and lemons

If you want to clean grout using natural ingredients instead of harsh chemicals, you can use the good old cleaning trio of vinegar, lemon, and baking soda! In a container, mix:

• 2 cups water
• 1/4 cup vinegar
• 1/4 cup lemon juice
• 1/2 cup baking soda

Apply the mixture to the grout lines and let it sit for 10–15 minutes. Rinse with a mop and warm water, then let the floor completely dry.

NOTE: For more stubborn stains, you may need to lightly scrub the area with an old toothbrush. No one likes scrubbing the floor, but sometimes it’s the best way to remove stains.

Clean floor grout with oxygen bleach

Use this only if you need white grout ASAP. Bleach is harsh, so make sure you use gloves and don’t get it onto your skin.

Mix 3 tbsp of powdered bleach with water. Use a sponge to apply the mixture onto the grout lines and let it sit for 10–15 minutes. Rinse the floor well with water and a mop, then let it dry.

How to clean shower grout

The bathroom tiles on your shower walls see a lot of moisture, and they also build up soap scum over time. It’s essential to clean bathroom grout to prevent mould and mildew from developing.

Mix equal parts hydrogen peroxide and baking soda, then apply the mixture to the grout lines. Let it sit for 10 minutes before wiping the mixture off and rinsing it. Let the tiles dry before using the shower again.

Don’t worry – we’ve also got you covered for how to clean shower tiles without scrubbing!

How to clean mould off grout

If you notice mould or mildew on your grout, you may need to break out the big guns.

A homemade option is sodium percarbonate, which is an alkaline cleaner. Mould doesn’t like alkaline environments – preferring acid – and sodium percarbonate can help break mould away from grout.

Mix 2 tbsp of sodium percarbonate in 2 cups of water. Pour the mixture onto the tough stains of mould, and lightly scrub it into the grout. Let the mixture soak into the floor for 10–15 minutes, then rinse the surface.

Dry thoroughly afterwards.

Maintaining Tile Grout

Use a grout sealer to repel moisture and dirt, and keep grout clean. Remember to let it dry thoroughly, and reapply the sealer at least once a year.

Lessen the dirt that gets on your floors by keeping dirty shoes by the front door. Also, remember to sweep or vacuum regularly.

How to clean grout like a professional? Many of them use some of these cleaning methods, or simply mix vinegar and water in a spray bottle! Then it’s all about scrubbing to gently loosen the dirt and wiping it away.

If your grout stains are particularly tough, though, you may need some extra oomph to clean them. Don’t strain yourself, though! There are bathroom power scrubbers that come with grout attachments to handle the job for you.

However, it can feel like a daunting task to clean grout even without scrubbing – you’ll likely have a lot of tiles, which means a lot of grout lines.

Just leave the job of maintaining your floors to a professional home cleaner so you don’t have to worry! 

The post The Easiest Way To Clean Grout Without Scrubbing appeared first on Maid2Match.