Trying to get dog urine from carpet? In this post I will explain the injection method of getting dog urine from carpet.  I  assume you know where the urine is in the carpet. If you do not know and need to locate it read locate the urine article. After locating the urine you will want to get an idea  of how extensive the damage is. Or how large an area you are going to be treating. This can be difficult without taking the carpet up and looking at the backing, floor and pad. If you use the injection method of treating the urine you will not be taking the carpet up. You will be injecting the chemicals with a syringe and needle (or similar tool) into the carpet, carpet  backing, pad and possibly onto the subfloor. If the urine has reached that far them the chemicals must reach there also or you will not be effective at getting the dog urine from the carpet. If you have a moisture sensor this will help immensely in determining how large of an area has been affected by the urine. It  is suggested that you clean the area first to remove as much dog urine as you can from the carpet. In this injection process you will be chemically altering the urine.  You can read about the types of chemicals that are effective on dog urine here. After you have removed as much urine as you can with cleaning you then take the chemical and inject it into the area.  Injection can successfully treat odors (but not stains) especially when the contamination is confined to small areas. The injection can be made with a 50 cc syringe and a 19 gauge needle. The needle can pierce the backing of the carpet to apply your chosen urine counteracting chemical to the pad and floor. A syringe of solution will spread 2 or 3 inches in each direction from the point it is injected. Make one injection every 4 – 6”. Be sure to treat not only the area visible from the surface but the expanded unseen contamination underneath. As a margin of safety, extend the treatment zone several more inches in each direction. The chemical will then work on the urine and eliminate it. You will need adjust how you use the chemical depending on the directions for the specific one you choose. For example enzyme products must be kept damp for the recommended length of time to work and digest the urine residue.