This a video showing the tools that some professional tile and grout cleaners use. Chem-Dry of Tampa FL uses this type of pressurized spinning spray vacuum shown in the video. After dry vacuuming, pre-treating, and scrubbing. Chem-Dry of Tampa FL uses the same tool to remove grease and grime from your grout. Using the power of Chem-Dry's patented solutions and certified equipment stained grout doesn't stand a chance.