Dip a stiff bristle brush into a dark grout stain and carefully brush it along the grout lines.
How to change grout color on floor tile.
As long as the tile is non porous and the grout porous it should be ready for a color change.
Select a color grout that contrasts with the tile color to make each tile stand out.
The most effective solution to this problem is to apply grout colorant also known as grout paint to change its color.
Changing grout color by replacing it.
Depending on the severity of your grout discoloration you will need to use a different cleaning solution.
Match the grout to the tile.
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Steps to change grout color.
Remove old grout.
It includes preparation of the floor selection of the right type of colorant and paint brush.
Remove the old grout with tools such as an electric multi tool fitted with a tile blade or a manual grout saw.
A neutral color is the safest choice.
Use a small flat blade screwdriver and a utility knife to clean up the tile edges and get into tight spaces.
Select a color grout that s only a shade lighter or darker than the existing tile to give the uninterrupted appearance of a match.
For mild discoloration use a combination of baking soda and hydrogen peroxide to form a paste.
Once dried from cleaning you can paint your tile by starting with the edges or using a larger brush after taping off the grout.
There are lots of preparations that are needed in order to change tile grout color.
Grout especially between floor tiles gets especially dingy and dirty over time.
Contrast with the tile.