Use this method for both pre mixed and powdered grout.
How to grout ceramic tile floors.
Apply it to the stain let it sit overnight and then scrub with a nylon brush.
Grouting may seem scary but it doesn t need to be.
Once the grout is clean mop the tiles with water to get rid of any leftover vinegar solution.
Pour a quart to half gallon of grout on the tiles.
To grout a tile floor start in the farthest corner of the room scoop some grout on the floor with a trowel and use a grout float to spread the grout over a small joint.
Use a hard edged rubber grout float and hold it at a 45 degree angle.
Spread the material in sweeping arcs pressing it into the joints to fill them completely.
Put the mixture in a spray bottle and spray the grout in between your floor tiles.
Demonstration of tile grouting technique using correct technique with tips for best practices.
Then wait 15 30 minutes for the grout to set before wiping off excess grout with water and a grout sponge.
Wait for the vinegar solution to stop bubbling and then scrub the grout with a scrub brush or toothbrush.
Apply the grout apply the grout with a rubber grout float filling the joints over a 5 to 10 square foot area.
Work in a small area at a time roughly a 3 x 3 foot section.
Do not cover the entire float with grout.
Don t use a metal brush as it will scratch the tile.
For stubborn grout stains mix a paste of baking soda and water.