Technically? Caulk. Realistically? It depends. Read this: Caulk or grout in corners?
Previous post: Can I fill my cracking grout with more grout?
Next post: How large should my grout lines be?
Technically? Caulk. Realistically? It depends. Read this: Caulk or grout in corners?
Previous post: Can I fill my cracking grout with more grout?
Next post: How large should my grout lines be?