How to Clean Polished Concrete Floors 

Yes, as long as it is a soft nylon brush. Remember, you don't need an aggressive brush, just the action and liquid.

Yes it's the white nylon brush the least aggressive brush that's sold. I'm just trying to clean not polish. I will also be using a neutral cleaner.

@@BA7444 That's great. It should work just fine. Set the head pressure to "float" if you have that. Otherwise, the lowest pressure setting possible. Brushes are always better as they do not build up with grit, sand. Sand will take away the polish on the surface.

GEM Supply has a product that I have used on polished concrete to remove petroleum-based issues: Orange Attack - shop.gemsupply.net/sss-48088.html

Hey John, did you use this product and did it work?

@@RobbeeMueller ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-p-J7jjBMhSI.html

Yes. Polished concrete will be easier to clean and will take less time, pressure and chemical.