Cats make wonderful companions and are very trainable but sometimes develop habits that can damage your carpeting.
Good Kitty - Bad Kitty
When a cat urinates on carpeting there is both a stain and odor problem. Cleanup should occur immediately whenever possible for two reasons:
It’s important to be thorough in cleaning up older urine spots because the dissolved crystals may release the strong scent of feline pheromones (glandular secretions contained in the urine to mark the cat’s territory). Partial cleaning can actually make the odor seem worse as the stain may wick up from the backing and re-crystallize on the carpet fiber tips. Look for stains on adjacent walls or furniture as well and make sure they are also cleaned up.
Rotovac Odor Kill product can help - especially with deeply penetrated older stains. Its enzyme-based formula will actually digest the urine crystals. The best course of action is to apply Unbelievable! Rid’Z Odor Super Concentrate - rinse (maybe more than once for old stains) and then follow up with Odor Kill if required.