Things You'll Need
Empty spray bottle
Nylon scouring pad
1 cup sugar
Applying grout to ceramic tiles can be a messy job and removing it from the surface of tiles can be tricky. Grout is made of cement and dries quickly. If grout gets on the tiles during application, it can be removed with the proper products and methods that can remove the residue without scratching or damaging the tile.
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Fill an empty spray bottle with hot water. Saturate the grout residue spots with the water.
Scrape as much of the dried grout from the tile with a wooden stick. Keep the dried grout wet while scraping.
Sweep up the largest pieces of grout with a broom and dust pan. Wipe down the tiles with a rag and water.
Fill a bucket with water as hot as you can tolerate. Dip a nylon scouring pad into the water and scrub the grout residue. Use plenty of water when scrubbing. Rinse out the scouring pad in the bucket of water frequently while scrubbing the tile.
Wipe down the tile with a damp rag. Dry the ceramic tile with a soft rag.
Discard the bucket of water and rinse it out. Fill it with 1 gallon warm water. Add 1 cup sugar to the water and allow it to dissolve.
Pour this solution onto any remaining grout residue or grout haze on the tile. For wall tile, saturate several paper towels with the solution and lay them onto the grout spots.
Allow the sugar water to sit on the tile for a minimum of two hours. Scrub the tiles again with the nylon scouring pad. Apply more sugar water and allow it to soak for two more hours if grout residue is still on the tile.
Rinse the tile with a rag and plain water. Buff with a dry cloth.