Once a day has passed the grout will be cured and will no longer be removable with water.
Remove grout from bathtub.
The water will soften the grout again allowing it to be wiped away.
The old grout might be moldy and beyond cleanable.
Allow the paste to set for a few minutes to work its magic and then give the grout lines one more agitating scrub for good measure.
This might include any grout along shelves corners and floor tiles or the grout and tile that surrounds the shower drain.
Steps to remove the grout.
The existing grout color is no longer pleasing to you and you wish to change it.
Make sure the bit is the right size for the space between the tiles and adjust the bit to the proper depth.
If the grout is fresh it can be wiped with a sponge moistened with water.
When that day comes remove the grout and replace it to rejuvenate the installation and make the surface gleam.
Also grout and mortar are gritty and can scratch the polished surface of a bathtub.
For small areas use a grout removal tool with a carbide blade.
Before you apply new grout around your bathtub you must first remove the old excess stuff that posed the problem in the first place.
But the more effective way is to use entirely new tinted grout.
Clean the surroundings of the bathtub.
Grout is made from water cement and sand which hardens over time to form a rock like material.
Perhaps the grout is old and is peeling discolored or cracked then that is a good reason to remove grout.
If this is the case it will be necessary to scrape it away.
Next rinse the area thoroughly and use a cloth to wipe the surfaces clean.
The blade is harder than the grout and will cut it away image 1.
For much larger areas use a rotary tool image 2.
One way to change grout color is to colorize existing grout.
When remodeling a bathroom or kitchen the hardest part can be removing the grout from pre existing tile.
If you see mold forming around where your floor and tub meet treat it with a mold killer after removing the existing caulk or grout.
Grout and mortar are not water soluble so the soak and scrape method as you might do for drywall compound will not work here.
When you grout bathtub tile you do so in order to protect the wall that is behind it from moisture but sometimes you will have to or want to remove grout.
How to remove grout.
In many cases it is faster and easier to remove the grout than to clean it.
Steps to repair grout around the bathtub.
If you want to replace broken tiles or just want a change is on such reason.
Let the area dry the area for the minimum of what the moldicide recommends which is usually at least 24 hours before applying new caulk.
Work slowly image 3.