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My tile grout lines are dirty. Filthy even. Why can't I get them clean?

Grout is very porous. Unless properly sealed when installed AND sealed every few years after being installed, your grout will act as a sponge absorbing every liquid it encounters. Believe it or not, the most prevalent culprit contributing to dirty or stained grout problems is dirty mop water, and improper mopping techniques. Most people do not realize that when mopping a floor you wring out the mop FIRST so that it is damp but not wet when mopping a floor. This allows the dirt to be picked up and transferred to the mop bucket. A wet mop dissolves the dirt and allows it to run into the grout line where it concentrates as it liquid evaporates away. A wet mop effectively cleans the tile top while dirtying the grout line. Dirty mop water does the same thing. A rule of thumb we teach our teams is that if you glue a quarter to the bottom of your mop bucket it is time to change the water once you can no longer see the coin. Okay, so what can we do about this situation? If the grout has been routinely sealed a tile-and-grout-cleaning may be all you need to restore a clean appearance. However, in most cases no one remembers to re-seal and therefore the grout becomes stained, at which point the best option is MARBLELIFE Chicago's COLORSeal Grout Restoration which applies a color-matched topical seal to the grout restoring it to its original appearance, while applying a professional grade topical seal providing substantial improvements in stain resistance going forward. COLORSeal costs a little more than a cleaning but offers eye-popping results.
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