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.
Eco Housekeeping Tip: Pet Odor Eliminator - 1. spray bottle, water, mouthwash, newspaper. 2. combine 2 parts water to 1 part mouthwash 3. spray mixture on soiled area, do not soak. Then place newspaper over the sprayed area & let dry. The newspaper will absorb the smell. Repeat if necessary. Your cushions or carpet may smell minty fresh, but once it wears off the urine smell will be gone.
The Family Handyman DIY Tip of the Day: Keep Dog Pee From Ruining Your Yard. Dog urine discolors and kills grass. Replace part of the lawn with landscape fabric covered with pea gravel, then add a few dog-friendly decorations!