When that day comes remove the grout and replace it to rejuvenate the installation and make the surface gleam.
Replacing tile grout in shower.
Gently run the grout saw back and forth along the grout seams.
Step 2 remove loose and damaged grout.
Be careful to avoid damaging the tiles.
Use a spray bottle and some cold water to wet the areas where you removed the grout.
Check out how easy it is to repair cracked or worn grout in your shower tub or any other tiled area.
My house is only 2 years old and i already have some.
Remove and replace grout even the best tiling jobs show their age eventually.
Never use sanded grout with metal glass or marble tiles.
If the width is 1 8 of an inch or smaller use an unsanded grout.
If the space is larger than 1 8 of an inch use a sanded grout.
Measure the space between the tiles.