The answer to 'steam cleaner stained' is that steam cleaners can sometimes leave stains or discoloration on carpets, upholstery, or other surfaces. This can happen for a few common reasons, such as using the wrong cleaning solution, applying too much pressure, or not properly drying the area afterwards.
Staining from steam cleaners is often caused by the high heat and moisture used in the cleaning process. If the cleaning solution is not properly rinsed out or the area doesn't dry completely, it can leave behind residue or discoloration. Applying too much pressure with the steam cleaner can also push dirt and grime deeper into the fibers, leading to staining.