How to get rid of ANY urine smell from carpets & cushions to mattresses. This also removed some stubborn sweat stains from a white mattress that bleach & others $pecialty cleaners couldn't. It now looks like new.
Lemon juice also work great as an dog urine odor remover. Mix lemon juice -- commercial or freshly squeezed -- with water and sprinkle it on your carpets. This smell is pleasant for people, but will keep your dog at bay. The citric acid is also effective if you want to clean and remove urine odor from carpets.