What are the best techniques for applying grout from a caulking tube for a seamless finish?

To achieve a seamless finish when applying grout from a caulking tube, the best techniques include:

1. Squeezing the tube gently to control the flow of grout.
2. Applying the grout in a steady and consistent manner.
3. Using a grout float to spread and smooth the grout evenly.
4. Wiping away excess grout with a damp sponge before it dries.
5. Ensuring that the grout lines are filled completely for a uniform appearance.