Pet urine damages carpet. It's not a simple spot that can easily be removed. On it dries in the carpet it forms salts that are extremely tough to remove. Unlike table salt urine salts can absorb moisture without breaking down. That makes them particularly difficult to break down while cleaning.
Another issue with pet urine damage is that amount of soap in over the counter pet urine cleaners. These before and after photos show how pet urine cleaners can create dark spots in the carpet and collect more soils. Its not just urine that's the problem its the cleaners designed to get rid of them. Fortunately Chem-Dry of Tampa FL has an excellent pet urine removal service that can fix most pet urine damage in your home.
Sometimes it's just the urine itself that's the problem. Repeated pet related accidents can build up and really cause bad staining in the carpet. This is a problem home owners are not going to be able to solve on their own. Eventually, you will have to call in a professional to help with the problem. Chem-Dry of Tampa FL has a lot of experience dealing with pet urine damage in the home.