Diy Dog Smell Spray . This spray is only meant to help with that pesky, eau de dog smell that dogs get. Shake the mixture well before every use. Homemade Dog Odor Spray Dog odor spray, Natural dog supplements, Dog odor from www.pinterest.com Thanks to jana from dawg business for pointing out something important! A homemade pet odor eliminator can remove urine scents from your home. Add 1 cup distilled water to 16 oz spray bottle.