How Professional Cleaning Prepares Tile Grout for Recoloring
https://thetilehousehold.clearminster.com/posts/how-professional-cleaning-prepares-tile-grout-for-recoloring
Before recolor can do its magic, professional cleaning strips away years of soap scum, hard water deposits, and embedded grime from tile grout. Using specialized alkaline cleaners and agitation tools, cleaners open the porous grout surface, ensuring the new colorant adheres evenly without blotching. This step removes mold spores and stains that would otherwise bleed through, creating a clean, neutral base for a lasting, uniform finish.