Nanoscrub Powerful Abrasive Cleaner Quart 32 oz

the best cleaner on the market! easily took off the sealer haze that was left on my tile wall by a tile "professional" restores the shine and did minimal damage to the grout.

I use this product on my once like Grey grout that had turned yellow. I did not have to scrub it! I did do two applications and it looks like brand new. However, I do have to reseal my grout, which is not a problem. This product cleans, grout better than anything. I have used in my lifetime, and I have tried everything.

Horrible. Completely took the shine off my porcelain tile. Used it in spots around my house where there was still haze from construction. Now I have permanent full marks in spots all over my house. Ugh….now not sure what to do.

Be sure you WET the floor well, this is more like a paste that will DRY on your tile or grout. Then apply elbow grease with a stiff brush for badly stained grout. I suggest doing smaller areas at a time rather than an entire kitchen/bath floor at once!

Updated our daughters bathroom and installed polished marble. Unfortunately, we didn’t realize we were leaving grout film. It was such a disappointment. After a lot of research on what wouldn’t damage our marble, we found nanoscrub. It does take some scrubbing, but even with tennis elbow in my right arm, I was able to cleanly remove the grout film, leaving our gorgeous carrera marble. Would definitely buy again, though hopefully I won’t make the same mistake when we redo our son’s bath!

So, I contacted the company for advice on how to best apply the solution to the remove minor amounts of residual Megailte masonary mastic on surfaces that I used for completing a stone veneer wall on concrete. I was less than impressed. The "creamy" material made little if any difference even after several applications following the directions on the product's container and the advice provided by the company that manufactured the Megalite. Based on my experience I could not recommend the material to others. I may ask for a refund based on the products poor performance in my application.

This product did not work to remove the sealer residue issue that I experienced with Bostik NeverSeal Grout. My contractor had to use acid to remove the residue. Maybe this would've worked better on another product but I don't recommend it for use with the Bostik product mentioned.

Amazing, works perfectly on marble tiles, acts like a polisher. Removes grout haze with ease and just a little elbow greasy. I didn’t use as much water... recommend by the products instructions, just placed a dime size drop in the middle of each 12/12 tile and went to work with a dish scrub pad sponge and terry cloth towel. You can feel the grout being removed, removes all the haze and grout build up in the corners and leaves the tile looking polished.