The active agent that really repells them is the oil in the lemon skin not so much the juice. She continues on that food to prevent recurrence. Can't get rid of the smell no matter what we try. You can also use a good old-fashioned warm water and vinegar solution. If it continues, he may have a UTI or other medical issue and should be looked at by your vet. I am worried if anyone rings the doorbell I can't even get to the door as there is a barrier of cat week. Citronella oil is the home made cat repellent I had most success with.
It really eliminate the smell, never use vinegar or ammonia on a cats urine, it just make the smell worse. In garden areas like your front or backyard, try installing a motion-activated sprinkler. One thing cats are wary of is snakes quite sensibly! Why are there so many different cat repellent recipes listed below? For more help understanding - and solving - your cat's peeing problems, click here or here.
Keeping Cats from Peeing on Furniture | ThriftyFun
Unfortunately the only solution is to have them spayed. I block the new spot the next day they just make a new spot. I don't want to lose my cat. Recently though she started to come downstairs and I noticed pee smell on my sofa. I don't know any negative associations that she may have with the litter box.