The son of a Kentucky frontiersman, Lincoln had to struggle for a living and for learning. Five months before receiving his partyâs nomination for President, he sketched his life: âI was born Feb. 12, 1809, in Hardin County, Kentucky. My parents were both born in Virginia, of undistinguished familiesâsecond families, perhaps I should say.
All you need to do is leave the grout to dry before getting it wet. The instructions should tell you for how long. As you and others have pointed out drying and curing are separate things. While you can use the shower after the grout is dried you may need to leave it for a day or two after it's cured before sealing.
Shower grout gets a lot of abuse so you should seal your shower grout at least once a year. The wet grout in showers is a perfect place for dangerous toxic mold to live and breed. Sealing the grout will help keep water from being absorbed by the grout.