Some pet stains must be treated by REMOVING padding, treating carpet and subfloor, then re-installing pad and carpet. Each case depends on how much odor and stains are in carpet.
In my experience even using a lot of hot water and subsurface flushing tools the odor can still be smelled after trying to flush padding and carpet and some stains can re-appear.
Some surface stains can be cleaned quick and easy. Using products to remove stains and odors Carpets can be clean and dry in 1-2 hours Using a plant based product and boosting it with Stabilized Chlorine Dioxide we can now eliminate bacteria that causes odor without leaving residue or bleaching out carpet.
Some stains can be treated by using products to reduce bacteria and odor and visible color from stain. Old Pet stains can be detected with a uv light then carpet and pad is treated with products to eliminate odor and stains. After dwell time carpet fiber is cleaned dried and vacuumed.