The answer to 'why is my countertop pet stains' is that pet stains on countertops are a common issue caused by spills, accidents, or repeated exposure to pet urine or drool. These stains can be difficult to remove and may discolor or damage the surface of the countertop over time.
Some common causes of pet stains on countertops include pets jumping up on the counter, leaving paw prints or drool, pets urinating or vomiting on the counter, and pets rubbing their face or body on the counter. The stains can be unsightly and may also lead to unpleasant odors if not cleaned up promptly.