https://www.diydoctor.org.uk/projects/cleangrout.htm

A DIY solution on how to clean and remove hard grout from floor, wall, or quarry tiles. When you have left grout too long and it's hardened, we show you how to ...

https://homeguides.sfgate.com/clean-grout-dries-completely-27757.html

Dec 6, 2018 ... Once it has cured, however, old grout can be difficult to clean from tiled ... This allows the solution time to loosen the grout's bond to the tile.

https://www.askthebuilder.com/excess-grout-removal/

Removing excess grout from your tile floor is a challenging but not impossible project. You need a few simple items to ensure no damage to your ceramic tile.

https://www.bobvila.com/articles/how-to-remove-grout-haze/

Grout haze is a byproduct of tile installation, during which the entire surface gets .... scrub pad to swirl the cleaner over the surface and loosen the grout haze.

https://www.wikihow.com/Clean-Grout-Off-Tile

Mar 29, 2019 ... How to Clean Grout Off Tile. Laying tile can lead to an unsightly grout haze or even hardened grout that needs to be cleaned off your tile. Also ...

https://www.youtube.com/watch?v=Yl62qH-BYsU

Sep 22, 2015 ... How to clean dried grout from ceramic tile - IT WORKS! .... I used a wall paper steamer which easily removes the excess grout from tiles with a ...

https://www.youtube.com/watch?v=EKOvpvf_VbM

Sep 23, 2012 ... How tor remove grout or mortar from tile. (Not for use on shinny tile.) This is a easy and fast way to remove dried grout from tile.

http://community.homedepot.com/howto/DiscussionDetail/DRIED-GROUT-ON-SLATE-TILE-NOT-JUST-HAZE-LOTS-OF-GROUT-HELP-90650000000060L

Mar 3, 2012 ... Don't get me wrong....grout haze remover works great for most grout removal applications, but using sulfamic acid gets rid of everything.

https://www.thespruce.com/grout-haze-cleaning-1822612

Mar 3, 2019 ... Using the right grout haze remover will make this job go easier and ... get rid of grout haze that can be hard to see and even harder to remove.

https://tilersplace.com/removing-grout-from-ceramic-tile/

May 27, 2019 ... With the right tools and advice you will get rid of that pesky grout and restore your tiles beautiful finish! Whether you are looking to remove grout ...