Rainbow Chalk Grout Pen - Brown
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B&QB&Q - Grout PenDesigned For Restoring Tile Grout In Bathrooms & Kitchens (Brown)
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£4.45
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Product Information
Full details
The Rainbow Chalk Grout Pen in Brown is designed for homeowners and DIY enthusiasts looking to restore stained or discoloured tile grout in kitchens and bathrooms without the need for regrouting. Its primary benefit is the combination of high-coverage, water-based ink with integrated anti-bacterial and anti-fungal properties, though it is best suited for aesthetic refreshing rather than structural repair of crumbling grout lines.
All features
| Colour | Brown |
|---|---|
| Brand | Rainbow Chalk |
Extended Product Information
FAQs
Can this pen be used on floor grout?
Yes, it is suitable for floor grout, but be aware that it may wear faster in high-traffic areas compared to wall tiles.
Is the ink waterproof?
Once fully cured after 24 hours, the water-based ink provides a water-resistant finish suitable for bathroom environments.
Can I use this over silicone sealant?
No, this pen is designed specifically for porous grout lines and will not adhere properly to silicone or plastic sealants.
How do I remove mistakes?
If you apply ink to the tile surface by accident, wipe it away immediately with a damp cloth before it dries.
Do I need to sand my grout before using this?
Sanding is not required, but you must ensure the grout is clean, free of loose debris, and completely dry for the best adhesion.
Troubleshooting
Ink is not flowing to the nib
Ensure the pen is shaken thoroughly and hold the nib vertically, depressing it repeatedly against a scrap surface until the ink saturates the tip.
Ink looks patchy or translucent
Apply a second coat once the first layer is touch-dry; this ensures better coverage on deeply stained or porous grout.
Nib has become frayed
Remove the nib from the barrel, flip it around to the unused side, and reinsert it into the pen housing.
Pros and Cons
Pros
- Easy to use with no specialized tools required
- Provides a clean, uniform finish to old grout
- Adds protective anti-fungal barrier
- Covers a significant length of grout per pen
- Safe, low-odour formula
Cons
- Not a structural fix for missing grout
- May require multiple coats on very dark stains
- Nib can wear down over rough surfaces
- Not suitable for high-traffic floor areas exposed to heavy scrubbing
Setup, Compatibility & Care
This product is compatible with most standard wall and floor tile grout. Before full application, always perform a small spot test in an inconspicuous area to ensure colour compatibility and adhesion. To maintain the life of the pen, always replace the cap tightly after each use to prevent the nib from drying out. If the nib becomes frayed or clogged, it can be removed, flipped, or rinsed gently in water and dried before reinsertion. Store the pen in a cool, dry place out of direct sunlight when not in use.
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