Do grout pens work?

Author: scraper  |  Last update: Monday, August 31, 2026

Yes, grout pens work incredibly well for temporarily transforming or touching up stained, discolored grout. They are essentially markers filled with water-based, matte-finish paint that easily cover up dingy spots and make old tiles look brand new.

Are grout pens worth it?

This method isn't quite as professional as using steam-cleaning or adding new grout, but it's a great way to quickly restore the look of your grout at an affordable price. If you need to spruce up your kitchen or bathroom, grout pens are a fantastic option.

Can you use a grout pen over old grout?

If your kitchen or bathroom is looking a little tired, a grout refresh might be all that's needed. First, give the grout a good clean with a grout cleaner or a homemade cleaning solution made from items you already have. You can then brighten the grout with a grout pen to whiten it up and make it look good as new.

What is better than a grout pen?

A grout pen is often just a temporary cosmetic fix. It's also called "grout makeup." Our grout paint is a sealant. It protects against mold and bacteria. So, if you not only want to whiten your tile grout but also keep it white, using the bottle is better than using a grout pen.

How long do grout pens last on tile?

Generally, a well-applied grout pen can last anywhere from six months to a year before requiring a touch-up. In areas with less traffic and moisture, such as backsplashes or accent walls, the application may last even longer.

How to Use a Grout Pen? Total DIY

Should you seal grout before using a grout pen?

A: You can seal the grout after using the grout pen, but don't try to use the grout pen after sealing the grout. Both the grout pen and seal rely on a porous surface to adhere.

Will Dawn soap clean grout?

Yes, Dawn dish soap is excellent for cleaning grout because its gentle, grease-cutting formula will not strip sealers or discolor tile. For everyday maintenance, simply mix a dime-sized squirt of Blue Dawn in a 32-oz spray bottle of warm water. For tougher grime, you can upgrade to a deeper-cleaning DIY mixture.

What do professional cleaners use on grout?

Some may use mechanical brushes to scrub grout and remove tough stains. From there, professional cleaners may use a wet vacuum to extract dirty water and cleaning residue to dry the area, completing the job with a grout sealer to protect against future stains.

Is a grout pen just a paint pen?

It's like a paint pen and is easy to use.

Why don't contractors seal grout?

Builders often skip sealing grout to cut costs, save time, and avoid returning to the job site. Additionally, many modern polymer-modified grouts are stain-resistant, and sealing un-cured grout can trap moisture. Some installers even use it as an upsell or exclude it because sealing can leave a hazy film on certain tiles.

Why is my grout pen not working?

The nib generally gets worn down and rough after a while

This means that your lines aren't as smooth and it gets a bit tougher to make markings on the grout. That's when you change pen.

What are the common grouting mistakes?

Grouting mistakes make your tile project look less than perfect—despite all of your hard work. Common errors include adding too much water to the grout mix, holding the grout tools wrong, and neglecting timing.

What is a good grout pen?

The White Knight Grout Pen is an amazingly simple and effective product that re-whitens discoloured and painted grout lines. They are ideal for creating fresh new grout lines on painted tiles as the final step of your tile transformation or for re-whitening discoloured or faded grout on existing tiles.

What are the signs you need to regrout?

Regrouting is the best option when tiles and grout begin to show signs of discoloration or the stains are so deep that they cannot be removed. As grout ages, it naturally deviates from its original color. If the white grout turns yellow or is covered with stains, you must regrout very soon.

What is the absolute best grout cleaner?

The "best" grout cleaner depends on the type of dirt you are fighting. For heavy, ground-in floor grime, Zep Grout Cleaner and Brightener is widely considered the top commercial choice. For bathroom mold and mildew, bleach-based sprays or a DIY hydrogen peroxide and baking soda paste are highly effective.

What is an alternative to grout pens?

The grout sealer and recolourant, which is a superior alternative to grout paint or a cheap grout pen can save homeowners a lot of money. Old grout can quickly look like new and transform the look of any bathroom, kitchen or any other part of the home where the grout on tiling has started to look 'tired'.

Why do tilers hate black grout?

Here's the thing, grout is messy no matter what color, but especially when it's dark. It is extremely difficult to clean off of the white tile. It takes contractors a very long time to finish this job because it requires so much extra cleaning. Some contractors might even charge extra for black grout.

Does Home Depot have grout pens?

White Interior Water-Based Grout Restorer Marker Pens (2-Pack) HG-R05367-1 - The Home Depot.

Is Dawn dish soap good for cleaning grout?

Yes, Dawn dish soap is excellent for cleaning grout because its gentle, grease-cutting formula will not strip sealers or discolor tile. For everyday maintenance, simply mix a dime-sized squirt of Blue Dawn in a 32-oz spray bottle of warm water. For tougher grime, you can upgrade to a deeper-cleaning DIY mixture.

What should you not clean grout with?

Just a few more important points: As the grout can absorb the soap as well as a stain, do not clean with oil or wax based cleaners (Murphy's Oil soap, Pine Sol, etc.). These products will leave a waxy or oily film in the grout. Even good alkaline cleaners, if not properly rinsed, will leave a sticky soap film.

How do hotels keep their shower glass so clean?

Hotels keep glass shower doors spotless by combining strong commercial cleaning agents with routine maintenance and smart preventative coatings. Because they deal with heavy daily guest turnover, housekeeping staff rely on quick but highly effective strategies to prevent soap scum and hard water buildup.

Can hydrogen peroxide clean grout?

Yes, hydrogen peroxide is excellent for cleaning and whitening grout. Because it acts as a mild, natural bleach without harsh chemicals or toxic fumes, it easily lifts set-in stains, mold, and grime from porous surfaces.

What is the lazy shower cleaning hack?

The ultimate lazy shower hack is the "Shower and Soak" method. Mix equal parts distilled white vinegar and original blue Dawn dish soap in a soap-dispensing dish brush. Keep it in your shower, and while your hair conditioner sits, give the walls a quick scrub. Rinse as you shower for a perpetually clean bathroom.

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