June 11, 2015
There are two methods you can try, without knowing the tile used.
You can try the sugar/water method. Apply sugar water to floor, and let it sit for about two hours, test with a plastic scrapper/ wood scrapper or oak stick, this will help dissolve the bonding on the tile. You need to keep the area wet with sugar water, if you do not want to have a large puddle on the floor, wet paper towels with sugar water and place on affected area.
You can also try using a wood scrapper or oak chisel with generous amounts of water (let sit ) and scrap the grout on the tile. Do not use a metal scrapper, this will damage the tile. Keep generous amount of water on floor while scrapping as a lubricant.
Sugar water works best and helps with grout that is not fairly new, just be sure not to pop off grout within the grout lines.
If you do not want to buy a woodworker chisel or oak stick, a piece of oak 1x4 or a painters stick will suffice.
Hope this helps!
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