I used a grout pen to whiten the old, dirty and faded grout in my bathroom shower and floor. You can read all about my experience, my tips and how to.
Do Grout Pens Work? Sure, But They're Not the Best Solution for Coloring Your Tile's Grout. Here's Why! - The Grout Medic of Northern Virginia
Laticrete 44 Bright White Permacolor Grout, 58% OFF
Laticrete 44 Bright White Permacolor Grout, 58% OFF
DIY - Exquisitely Unremarkable
How to fix or clean this old yucky chalk and grout?
Laticrete 44 Bright White Permacolor Grout, 58% OFF
How to use a grout pen
Grout It Out - Renew Restore Tile Repair Pen - Tile Grout Cleaners
Do Grout Pens Work? Sure, But They're Not the Best Solution for Coloring Your Tile's Grout. Here's Why! - The Grout Medic of Northern Virginia
Proof That a $10 Grout Pen Is Capable of Transforming Your Entire Bathroom, Real Simple