How would you clean this tile?

Dizzle Dazzle

Active Member
Sep 24, 2019
134
56
28
Real Name
Konrad Bilinski
Business Location
Canada
Hey so at my 9am this morning I was cleaning tile which was about 5 years old.
No matter what I threw at the grout it would not clean. In fact the parts of the tile which were dry looked like I barely hit them at all. Maybe the sealer somehow got in the way? How could I improve on this job?

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