If the grout is already dry apply vinegar and water to it and let it sit for 1 hour.
How to get grout off tile floor.
The best way to remove grout from floor tile.
Fortunately there are a few methods that can help to remove even the most stubborn dried on grout from tiles without damaging the finish of the tile.
If your tile is porcelain or ceramic try a vinegar solution to remove grout.
In some cases you can enlist vinegar.
Scrape scratch and rub the grout off the tiles.
One sure way to ruin a tile job and make it look unprofessional is to have dried grout all over the top of the tiles.
Clean the sponge frequently as you work and replace the rinse water as it gets dirty.
Then scrape the grout off your tiles and rinse the area with water to remove the vinegar.
By applying water to the surface it will soften the grout and make it easy to scrape and wash off.
You shouldn t need to get to the last alternative but you will probably have a long and frustrating job ahead of you.
Once it has cured however old grout can be difficult to clean from tiled floors and walls.
In practice to remove the grout from your tiles you will have to.
If the haze lingers a clean terry cloth towel can get through the haze when paired with the right cleaner.
Wet grout is easy to wipe away with a damp sponge but because it is comprised mainly of cement it can be very difficult to fully remove dried grout from porcelain tile.
A good grout haze removal technique is to use rubber gloves and a mask while working in small areas across the floor wall counter or backsplash.
Let the floor dry.
Cheesecloth dabbed with commercial removers can get the haze off quickly and easily.
Your first instinct may be to chisel it off with a metal tool such as a putty knife but this can.
The old grout might be moldy and beyond cleanable.
If you have yet to remove all the grout haze continue to method 3.
For stubborn grout haze mop the floor with a mixture of 1 cup of white vinegar and 1 quart of warm water.
However just because the grout is dried doesn t mean you can t fix the problem.
The best way to remove grout from floor tile.
There are a few good reasons why you might want or need to remove old tile grout.
Repeat the same process to scrub and rinse each small section of the floor until the entire tile installation is clean.
Armed with this handy tool you can remove 15 square feet of grout on 4 by 4 inch tile in about one hour.
No special chemicals or solutions are required.