The best way is the remove the old grout clean the area and regrout
A clear silicon or a colored grout (in caulking gun tubes) may ne needed to re-seal your joint. Removing existing grout would be best, but a bead at the joint may work.
If it's bad, you may have to remove it and redo the grout but if not, you can likely use some caulk to tidy that up.
Scrape out any loose grout and spread a bead of clear silicone caulk.
We seem to have some unwelcome Mickeys and Minnies in our house. What is the best way to get rid of them?
I want to remove my popcorn ceiling, but it has asbestos in it. How do I go about this safely?
How do I fill gaps at baseboard, should I caulk? If so, does anyone know how to caulk baseboards?
How do I fix squeaky hardwood floors?
How to remove caulk from a backsplash?
I have a large gap between newly installed granite and back splash . What can I do? They big box stores don’t have anything to fill in gap
The best way is the remove the old grout clean the area and regrout
A clear silicon or a colored grout (in caulking gun tubes) may ne needed to re-seal your joint. Removing existing grout would be best, but a bead at the joint may work.
If it's bad, you may have to remove it and redo the grout but if not, you can likely use some caulk to tidy that up.
Scrape out any loose grout and spread a bead of clear silicone caulk.