Krud Kutter CE326 32-Ounce Concrete Clean and Etch

The oil stains on the driveway had been there for over 25 years and I decided that I would try one more time to remove them. This stuff worked great! Ok, I admit that I didn't dilute the product as recommended-- I poured it directly out of the bottle and onto the stained area, I scrubbed a bit with a stiff bristle brush, and then I rinsed with water. It wasn't perfect, but it was a heck of a lot better. I recommend this stuff!

Ordered two bottles to clean my back patio, which I'd guess is 300-400 sq feet, give or take. Two bottles not quite enough to do the whole job. No false advertising here, just expected the stuff to go further. Make sure you order enough to do you whole project. Cleaned really well however, standard winter wear and tear in the back patio from potted plant runoff, etc.

I had an old furnace removed from my basement that apparently leaked oil for the last 40 years into the cement. I poured this stuff straight onto the area and scrubbed with a brush. It bubbled and fizzed and went crazy for a while, then I slowly mopped it up with a huge sponge into a bucket. After it was dry, I painted over the floor with DryLock paint and while a little oil stain has reappeared, yellowing the gray DryLock, it's a huge improvement over the stinking oil slick that was there. It really really works!

Did not work on our travertine. I cleaned with it twice and did not remove any mold or dirt.

I used this to prep a concrete subfloor for new tiling. The previous tile got water under it, and under the thinset, due to a bad previous job where the concrete wasn't prepped (luckily for me though, since pulling the old tile up brought the thinset with it!)I wanted to avoid this and have a solid tile kitcken floor, so I used this stuff liberally and let it is, then washed away. One year later, my tile floor is rock solid, no feeling of 'floating' tiles anywhere. Thank you Krud Kutter!

I think it's a good product for other purposes, but it's not going to remove wood stain from concrete. At least, it didn't for m

Keeps the critters that eat the leaves on my chard away

Worked fine to remove cement smear and residue on brickwork that was recently repaired. Cleaned and brightened bricks. I used slightly higher concentration. Did not make much difference to the aluminum rust-stain on the same bricks, but that was not my primary goal.