Living in an apartment, my dogs were relieving themselves inside, especially on rainy days despite having a dog door to the large balcony. Furniture, carpets, rugs and the wooden floor ruined and stinky. I used the enzyme cleaner to mop my floors and spray the furniture. The next morning- nothing. No accidents. So I sprayed the outside near the doors, to see if that would deter them going right in front. And it did. I watched one of my dogs sniff and look at me funny, then she moved to a more appropriate spot. I still have to occasional accident, but they are small and I use the enzyme spay to clean the area. 100% recommended. I have even told colleagues and they have put in their order. I’m going to try the carpet shampoo next and order more enzyme solution. When I come home from work and open the front door, I’m no longer greeted by the stench of wee.