Professional Grout Cleaning: Understanding the Difference Between Surface Stains and Deterioration
https://groutandtilehome.greyhavendaily.com/posts/professional-grout-cleaning-understanding-the-difference-between-surface-stains-and-deterioration
Professional grout cleaning often reveals a common confusion: is that discoloration a surface stain or sign of deterioration? Surface stains come from spills or mold and can be removed with targeted cleaning, while deterioration involves crumbling or cracking grout that needs repair. Understanding the difference saves time and money, directing efforts toward the right solution rather than treating all marks the same.