Sealing Grout After Cleaning Requires Understanding Surface Condition
https://violetmetric.com/s/SWTTUVFHfLHp81YE5zKia
After cleaning grout, you can't just slap on sealer without checking the surface first. If it's still damp or has residue from cleaners, the sealer won't bond right and will peel off quickly. I learned this the hard way—had to strip and redo a bathroom floor because I sealed too soon after scrubbing.