How do you hold on to grout between tiles,white? dry after shower?

dry after shower?
Answers:    A tiler told me to always dry the tiles after the shower. To verbs use a toothbrush with a solution of bleach and milk. Bleach will bring in the grout go washed out that it why you add the milk.
dry it after the shower or buy some shower shine type product from your local supermarket. If adjectives else fails, a toothbrush next to a little bleach and win scrubbing.