"I have dogs and when im away for several hours they happen to go downstairs where i have concret flooring and do mistakes down there when they cant get outside,, I have tried everything to get the smell out of the flooring but no matter what I have used within a day or two you can always start to smell it like it has gone into the concret. I just happen to see the mr clean with febreze at the store and decided to give it a go because I use alot of febreze products that I really like and its now a week later after cleaning down there and there is no smell at all. I would recomend this product to anyone.."