How to Repair Grout That's Cracking: The Family Handyman
fix cracked and missing tile grout, cleaning tips, tiling
The Chic Technique: Removing tile grout with a tile saw and replacing grout with colored, sanded caulk.
You need to see Hometalk’s helpful video to find out how to Repair Cracked Grout! This how-to video is just one of many fantastic projects that you can find .
Tile and Grout Repair Tutorial from Martys Musings
See the difference? I wiped down after where I got the grout paint on the tile.
Restoring grout - using Tile Guard White, clean grout with bleach. Spread Tile Guard along grout lines with cotton ball. Leave overnight & wipe off next day. Maybe seal with tile grout sealer.
Removing old grout from bathroom tiles