This depends on a number of things.
How long does it take grout to dry after cleaning. To completely dry all the way through, leave the grout sealer to dry for 24 to 72 hours. If its a quick dry compound you can normally leave it an hour and be able to wipe it down. Grout is used to fill the gaps between walls, usually tiles, so that they stick together.
24 hours for full cure but a grout is recessed you can walk on the tile. Allow the grout to set for around 15 to 30 minutes, and wipe up any excess grout with a dense sponge soaked in water. Do this step after applying the grouts on the floor for 15 to 30 minutes.
The time is taken to clean grout after sealing; Use a wet sponge for maximum convenience and best result. Drying the color grout does not take too long.
But usually, it takes 24 to 72 hours to dry up the whole grout. Clean the grout lines well with a toothbrush and a solution of 1 part white vinegar to 1 part warm water. For grout to work its magic, it should be left to dry for a reasonable amount of time;
You may observe a difference in the color tone of the grout after. Many grout sealers will be dry to touch after 2 hours, but that will just be the surface. The average drying time of grout is about 24 hours to 72 hours, depending on certain humidity conditions and different types of grout.
How long grout take to dry. It almost takes 24 to 48 hours, and the grout lines are all settled. Once the grout is fully dried out, it’s recommended to use a sealant.