If your tile is porcelain or ceramic try a vinegar solution to remove grout.
How to get grout off of floor tiles.
No special chemicals or solutions are required.
Once it has cured however old grout can be difficult to clean from tiled floors and walls.
If you are grouting ceramic or porcelain wall or floor tiles it can be easy to leave small lumps of grout on the tiles surface and around the joints.
If you have yet to remove all the grout haze continue to method 3.
Cleaning grout when hard how to clean off and remove grout from a tiles surface that has gone hard.
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.
The old grout might be moldy and beyond cleanable.
Armed with this handy tool you can remove 15 square feet of grout on 4 by 4 inch tile in about one hour.
However just because the grout is dried doesn t mean you can t fix the problem.
Your first instinct may be to chisel it off with a metal tool such as a putty knife but this can.
There are a few good reasons why you might want or need to remove old tile grout.
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.