Tile and Grout Cleaning: Understanding When Staining Becomes Damage

https://brightgroutliving.halcyonledger.com/posts/tile-and-grout-cleaning-understanding-when-staining-becomes-damage

It's tricky to tell when tile and grout staining has crossed the line into permanent damage. Surface stains from coffee or wine often lift with a good cleaner, but once the grout starts crumbling or the tile's glaze is etched by harsh chemicals, that's real damage. Knowing the difference saves you from unnecessary repairs and helps you treat your surfaces right.