The Best Grout Pen in 2023

The Best Grout Pens that will transform your tile lines!

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As we all know, grout is a tough substance to clean and maintain. With stains, dirt and mould that stubbornly cling to the surface, it can be hard for homeowners to keep their grout looking clean and white.

Luckily, there are products on the market made specifically for this task – such as grout whitening pens!

Top Three Grout Pens

These pens are essentially grout colourants and work by transforming the appearance of old discoloured grout into brand new, bright and white-looking grout.

Below, we have researched, selected and curated the best grout pens available right now so you don’t have to! Enjoy!

Our Best Grout Pen Picks

1) Unibond White Grout Reviver Pen

Rejuvenating old grout is a super easy task with the Unibond White Grout Reviver Pen. Its shape enhances precision during the application process, and the grout reviver equally works as a restoration tool. Using this pen on existing grout that is discoloured or faded gives it a refreshed look.

The Unibond grout reviver uses a waterproof formula and it’s also mould resistant, providing extra protection and prolonging the life of your grout. It’s also suitable for use in the kitchen and bathroom, and better still, it dries in just 60 minutes after application.

Key Features

• Easy to use
• Waterproof
• Includes Unibond’s special Triple Protection
• Dries in 60 minutes

2) Rainbow White Grout Pen

The Grout Pen by Rainbow is designed to give your tiled surfaces a refreshed and restored look. This grout restorer is suitable for use in the bathroom, kitchen, and other tiled areas of the house. It also adds a protective layer to your grout due to its special formula that helps fight bacteria and mould growth.

For best practice, you should apply more than one coat, and you’ll want to give it about 30 minutes between each application for the grout to dry properly. Each pen can restore as much as 60 linear meters of grout lines – that’s a lot of grout!

Key Features

• Protects against mould and bacteria
• Waterproof once dry
• Touch-dry in 30 minutes
• Up to 60m of coverage

3) Pectro Tile Grout Pens (2 pcs)

The Tile Grout Pen is the solution to restoring your grout lines to their original brilliant-white colour. This two-pack set is able to cover as much as 100 meters of grout lines and is ideal for tiled bathroom/kitchen walls and floors. It is recommended by Pectro that you first shake the grout pen vigorously, press the nib on a piece of paper to ease the liquid flow, and then finally apply it to the grout joints.

It comes with replacement nibs which come in handy particularly if you are dealing with rougher grout lines. They draw much like marker pens making them practical to use, rigid, and precise. Their durability and water resistance is another added plus.

Key Features

• Anti-mould formula
• Restores or replaces original grout colour 
• Comes with replacement nibs
• Up to 200m of coverage per pack (100m each)

4) Outus Flysea Grout Marker Pens (6 pcs)

The Outus Flysea Grout Marker Pens are precisely what you need to keep your tiled surfaces in top form. These grout restorer pens can rejuvenate your tiles by covering stained seams, changing the colour of grout joints, and preventing further staining. They work as effectively on mortar joints, epoxy, as well as other surfaces that have grout lines.

Beyond giving grout a refreshed appearance, these pens provide a protective layer that covers stained seams and renews tiled surfaces after application. The set comes in a selection of four different colours including white, dark grey, light grey, and beige and includes 6 pens per pack!

Key Features

• Designed to protect grout and prevent further staining
• Includes 6 pens per pack
• Available in 4 colours
• Dries fast and can be applied to many different surfaces

5) Kanoson Grout Marker Pens (5 pcs)

Spruce up your old grout with the help of these Kanoson Grout Marker Pens. The water-based solution is non-toxic and entirely safe to use in households with kids and pets. It’s an effective solution to restore wall/floor tile gaps in the shower area, bathroom, kitchen, patio, porch, and other grouted areas.

These pens feature an acrylic tip that’s easy to operate and durable. Its fast-drying action and the solution can withstand regular cleaning. Each pen offers about 60 meters of grout restoration and includes a nib for each pen.

Key Features

• Water-based and non-toxic
• Fast drying
• Up to 60m coverage per pen
• Includes 4 nibs

6) 151 White Tile & Grout Revival Pen

Brighten up the grouted areas around your home with the help of the 151 White Tile & Grout Revival Pen. This grout revival pen can restore the gleam on your tiles and make any room look cleaner, overall, just by restoring the grout seam’s colour. Use it on discoloured grout in the kitchen, bathroom, and shower area to spring them back to their former pristine appearance.

You’ll need to apply about two to three coats for effective coverage but its fast-drying action returns your tiled surfaces back to their former glory in a matter of minutes. It’s water-based, non-toxic, and doesn’t emit a strong smell like some other grout pens out there.

Key Features

• Quick-drying and permanent
• Water-based and non-toxic
• Low odour

Are grout pens any good?

In my opinion, grout pens are very good. If your grout has faded or has stains you simply can’t scrub clean then buying a grout pen is an affordable way to transform your grout to either its original colour or a brand new one. In addition, many grout pens, as well as covering existing grout, also have great features, including; water resistance, anti-mould, further stain prevention etc.

What is the best grout pen to use?

We have found the best grout pen to use is the Unibond White Grout Reviver Pen; it waterproofs your grout, dries in just 60 minutes and features Unibonds Triple Protection all of which explains why it has been reviewed so many times!

Do grout pens work over paint?

Yes, grout pens do work over paint, the paint simply needs to be dry before you apply your grouting whitener on top of it.

Are grout pens bad?

Grout pens are not bad they are actually a great quick and low-cost solution for making your grout look brand new again. Many of the pens listed above are also water-based and non-toxic, making them completely safe for use. In addition, some grout pens prevent mould, waterproof the grout and prevent further staining from occurring, making them a fantastic investment.

Are grout pens easy to use?

Grout pens are super easy to use. Most, if not all of them, are ready to use right out of the box. Simply remove the lid and apply to your grout lines. As they are in the shape of a marker pen it is like we are drawing or writing so it feels very familiar in your hand.

How long do grout pens take to dry?

Most Grout pens are touch dry in around 30-60 minutes or so. It is best to leave to dry for at least an hour or so before you apply the next coat just to ensure that the grout pen’s coating has totally dried.

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