Scrub the tile with the nylon scouring pad.

How to remove dried up grout. 8 ways to remove dried paint from tile grout 1. To remove dried grout you will need: You want to take your heat gun and set the temperature to 300 degrees fahrenheit.

Rinse the tile with clean water and dry the surface with a towel. When learning how to get dry grout off of tiles, it’s important to look to clean the surface. Apply clean water while you scrub to prevent scratching the tile surface.

Vinegar (opens in new tab) paper towels (opens in new tab) an old toothbrush Make a mixture of a cup of room temperature water and 2 cups of granulated sugar, mixing until the sugar has been absorbed into the water. Acetone or rubbing alcohol 4.