I have two 14 yr old foster dogs. You know, as you get older, sometimes you can't "hold it" for as long as you used to. Now I am finding spots on the carpet near the back door. Spots, as in someone had an accident. I have a bissel steam cleaner and have used products for pet stains and odors but.. it really doesn't help with the odor.

Has anyone used something that really works? Before I go out spending $$ on products, I'd like to hear if anyone has used something that actually works.