Wipe the tiles down with a dry rag.
How to remove dried mortar from ceramic 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.
One of the ways to clean grout and remove the thinset is to start by adding some dish soap to the bucket of warm water.
Grout is made of cement and dries quickly.
After setting tiles thinset mortar must quickly be removed or it dries into a hard stubborn substance.
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.
Scrub the mortar with a scrub brush to remove the residue the acid has loosened.
However for larger jobs stronger acids may be needed to get the job done.
Remove a piece of tile from the solution.
Rinse the piece of tile with clean water and allow the piece to dry for.
Scrub the tile surface and the grout with a soapy sponge making sure to remove any of the thin set that is not entirely hardened.
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.
Dried thinset is tough to get off of the tops of tiles because it is so thin and the tile surface is often delicate.
Applying grout to ceramic tiles can be a messy job and removing it from the surface of tiles can be tricky.