Waterproof Tile Grout Marker Pen – Mold-Resistant Repair

Restore & Refresh Your Tile Grout in Minutes

Give your kitchen backsplash, bathroom walls, and floor tiles a clean, like-new appearance with this Waterproof Ceramic Tile Grout Marker Pen. Whether you're touching up discolored grout lines or completing a full tile renovation project, this precision pen makes the job fast, easy, and professional-looking — no special skills required.

Key Features

• Mold-Resistant Formula: Specially formulated to resist mold and mildew build-up, making it ideal for high-humidity areas such as bathrooms, kitchens, and laundry rooms.
• Waterproof & Long-Lasting: Once dry, the ink resists water, moisture, and everyday splashes without smudging or fading, keeping grout lines looking fresh for longer.
• Precise Application: The fine-tip design fits perfectly into narrow grout lines, giving you accurate, clean coverage with minimal effort or mess.
• Versatile Use: Works on ceramic tile walls, floors, countertops, and more — perfect for kitchens, bathrooms, and any tiled surface in your home.
• Chemical-Free & Safe: Made without high-concern chemicals, so you can use it confidently in food-prep and family spaces.
• Quick & Easy: No mixing, no special tools — simply uncap and apply directly to grout lines for an instant refresh.

Perfect For

• Refreshing discolored or stained grout lines
• Covering chips and wear on tile edges
• Bathroom wall and floor tile touch-ups
• Kitchen backsplash and countertop tile repair
• DIY home improvement and renovation projects

What's in the Box

• 1 × Waterproof Ceramic Tile Grout Marker Pen

Made in Mainland China.

For more home improvement and DIY tools, check out our "1% Better Every Day" Motivational Canvas Wall Art Print to keep your workspace inspired, or browse our "Everything Is Figureoutable" Sage Green Quote Canvas Wall Art for stylish home décor.

For guidance on safe use of home improvement products, visit the U.S. Consumer Product Safety Commission (CPSC) for helpful consumer safety information.

Frequently Asked Questions

Q: Is the tile grout marker pen safe to use in bathrooms and kitchens?

A: Yes! This grout marker pen is made without high-concern chemicals, making it safe to use in bathrooms, kitchens, and other areas of your home. Its mold-resistant formula is specifically designed for humid, high-moisture environments.

Q: How long does the waterproof grout marker last after application?

A: Once applied and fully dried, the waterproof formula is designed to resist moisture, everyday splashes, and general wear, providing a long-lasting finish on ceramic tile grout lines.

Q: Can this pen be used on both wall tiles and floor tiles?

A: Absolutely. The ceramic tile grout marker pen is versatile enough for both wall and floor tile applications, including kitchen backsplashes, bathroom floors, countertop edges, and more.

Q: What color is the grout marker pen?

A: The grout marker pen is available in white, making it ideal for refreshing standard white or light-colored ceramic tile grout lines.