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How to Remove Grout Haze From Ceramic Tiles

Updated February 21, 2017

Excess grout not removed from tiles during the installation process can result in an ugly film known as grout haze that mars the appearance of the tile. After a while, this haze hardens to a difficult-to-remove substance that makes the tile surface appear dirty. Removing the grout haze is a simple but time- and labour-intensive project requiring that the grout be scrubbed off without causing damage to the tiles beneath. Once removed, though, your tiles should appear as they were meant to be, a beautiful addition to any room.

Remove new haze from recently placed and non-dried grout using a damp sponge. Wipe the surface of the tiles with the sponge until the light film left by the grout disappears.

Wring out and re-wet the sponge as needed to keep the water applied to the tile surface clean. Wipe the tiles only, avoiding the joints between as the water will soak into the grouted joints and weaken the material.

Remove older grout hazes where the grout has dried using a synthetic fibre scouring pad and commercial grout haze removal liquid. Mix the grout-haze liquid in a bucket with water as directed by the manufacturer. Dip the pad into the mixture and scrub at the surface of the tiles to remove the dried grout.

Change scouring pads as needed when they begin to wear. Avoid scrubbing away at the joints between the tiles as you may make the edges of the grout ragged.

Check the surface as you go for progress. Dry the tiles using a paper towel and examine it for haze. If the surface is still not haze-free, repeat the removal process until all signs of grout have been removed from the face of the tiles.

Allow the surface of the tiles to dry completely and then brush on a layer of tile and grout sealant to the tiled surface to protect the surface from stains.

Tip

Check the grout-haze-removal liquid on a small, unobtrusive section of tile to determine if it will work without damaging the tiles. If so, continue by cleaning the entire tiled surface.

Warning

Grout-haze-removal liquid can be hazardous to skin and eyes, so wear rubber gloves and safety goggles when using it.

Things You'll Need

  • Bucket
  • Water
  • Sponge
  • Synthetic fibre scouring pad
  • Grout haze removal
  • Paper towels
  • Tile and grout sealant
  • Brush
  • Safety goggles
  • Rubber gloves
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About the Author

Larry Simmons is a freelance writer and expert in the fusion of computer technology and business. He has a B.S. in economics, an M.S. in information systems, an M.S. in communications technology, as well as significant work towards an M.B.A. in finance. He's published several hundred articles with Demand Studios.